SELECT 
  vi_bm_snapping.grid_id as grid_id, 
  vi_bm_snapping.block_id as block_id, 
  IFNULL(
    dynamic_object_content.content, 
    default_content.content
  ) as content, 
  IFNULL(
    dynamic_object_content.object_id, 
    default_content.object_id
  ) AS object_id, 
  IFNULL(
    dynamic_object_content.object_type, 
    default_content.object_type
  ) AS object_type, 
  vi_bm_block_statuses.object_ids as object_ids, 
  vi_bm_snapping.*, 
  vi_bm_blocks.*, 
  vi_bm_blocks_descriptions.* 
FROM 
  vi_bm_snapping 
  LEFT JOIN vi_bm_blocks ON vi_bm_blocks.block_id = vi_bm_snapping.block_id 
  LEFT JOIN vi_bm_block_statuses ON vi_bm_snapping.snapping_id = vi_bm_block_statuses.snapping_id 
  AND vi_bm_block_statuses.object_type LIKE 'products' 
  LEFT JOIN vi_bm_blocks_descriptions ON vi_bm_blocks.block_id = vi_bm_blocks_descriptions.block_id 
  LEFT JOIN vi_bm_blocks_content AS default_content ON vi_bm_blocks.block_id = default_content.block_id 
  AND vi_bm_blocks_descriptions.lang_code = default_content.lang_code 
  AND default_content.snapping_id = 0 
  AND default_content.object_id = 0 
  AND default_content.object_type like '' 
  LEFT JOIN vi_bm_blocks_content AS dynamic_object_content ON vi_bm_blocks.block_id = dynamic_object_content.block_id 
  AND vi_bm_blocks_descriptions.lang_code = dynamic_object_content.lang_code 
  AND dynamic_object_content.object_id = 239 
  AND dynamic_object_content.object_type like 'products' 
WHERE 
  vi_bm_snapping.grid_id IN (
    79, 80, 81, 82, 83, 84, 85, 86, 89, 87, 88, 
    92, 97, 93, 94, 95, 96, 98, 99, 145, 146, 
    149, 150, 147, 148
  ) 
  AND vi_bm_blocks_descriptions.lang_code = 'en' 
  AND vi_bm_blocks.company_id = 1 
ORDER BY 
  vi_bm_snapping.order, 
  vi_bm_snapping.block_id

Query time 0.00124

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "read_sorted_file": {
          "filesort": {
            "sort_key": "vi_bm_snapping.`order`, vi_bm_snapping.block_id",
            "table": {
              "table_name": "vi_bm_snapping",
              "access_type": "range",
              "possible_keys": ["grid_id"],
              "key": "grid_id",
              "key_length": "4",
              "used_key_parts": ["grid_id"],
              "rows": 35,
              "filtered": 100,
              "index_condition": "vi_bm_snapping.grid_id in (79,80,81,82,83,84,85,86,89,87,88,92,97,93,94,95,96,98,99,145,146,149,150,147,148)"
            }
          }
        }
      },
      {
        "table": {
          "table_name": "vi_bm_blocks",
          "access_type": "eq_ref",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "4",
          "used_key_parts": ["block_id"],
          "ref": ["devvipiriscom.vi_bm_snapping.block_id"],
          "rows": 1,
          "filtered": 100,
          "attached_condition": "vi_bm_blocks.company_id = 1"
        }
      },
      {
        "table": {
          "table_name": "vi_bm_blocks_descriptions",
          "access_type": "eq_ref",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "10",
          "used_key_parts": ["block_id", "lang_code"],
          "ref": ["devvipiriscom.vi_bm_snapping.block_id", "const"],
          "rows": 1,
          "filtered": 100,
          "index_condition": "vi_bm_blocks_descriptions.lang_code = 'en'"
        }
      },
      {
        "table": {
          "table_name": "vi_bm_block_statuses",
          "access_type": "ref",
          "possible_keys": ["snapping_id"],
          "key": "snapping_id",
          "key_length": "4",
          "used_key_parts": ["snapping_id"],
          "ref": ["devvipiriscom.vi_bm_snapping.snapping_id"],
          "rows": 1,
          "filtered": 100,
          "attached_condition": "trigcond(vi_bm_snapping.snapping_id = vi_bm_block_statuses.snapping_id and vi_bm_block_statuses.object_type like 'products')"
        }
      },
      {
        "table": {
          "table_name": "default_content",
          "access_type": "ref",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "18",
          "used_key_parts": ["block_id", "snapping_id", "lang_code", "object_id"],
          "ref": [
            "devvipiriscom.vi_bm_snapping.block_id",
            "const",
            "devvipiriscom.vi_bm_blocks_descriptions.lang_code",
            "const"
          ],
          "rows": 1,
          "filtered": 100,
          "attached_condition": "trigcond(default_content.object_type like '')"
        }
      },
      {
        "table": {
          "table_name": "dynamic_object_content",
          "access_type": "ref",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "4",
          "used_key_parts": ["block_id"],
          "ref": ["devvipiriscom.vi_bm_snapping.block_id"],
          "rows": 9,
          "filtered": 100,
          "attached_condition": "trigcond(dynamic_object_content.lang_code = vi_bm_blocks_descriptions.lang_code and dynamic_object_content.object_id = 239 and dynamic_object_content.object_type like 'products')"
        }
      }
    ]
  }
}

Result

grid_id block_id content object_id object_type object_ids snapping_id wrapper user_class order status type properties company_id storefront_id lang_code name
81 56 a:1:{s:4:"text";s:9:"Languages";} 0 92 0 D languages a:6:{s:8:"template";s:20:"blocks/languages.tpl";s:22:"abt__ut2_demo_block_id";s:0:"";s:4:"text";s:10:"Languages:";s:6:"format";s:22:"ab__name_without_icons";s:14:"dropdown_limit";s:2:"10";s:17:"abt__ut2_fly_menu";s:9:"languages";} 1 1 en FLY: Languages
81 59 a:1:{s:4:"menu";i:6;} 0 95 top-quick-links 0 A menu a:4:{s:8:"template";s:26:"blocks/menu/text_links.tpl";s:18:"show_items_in_line";s:1:"Y";s:22:"abt__ut2_demo_block_id";s:8:"top_menu";s:27:"open_on_sticky_panel_button";s:1:"N";} 1 1 en Quick links
82 62 0 98 top-logo 0 A template a:2:{s:8:"template";s:32:"blocks/static_templates/logo.tpl";s:17:"abt__ut2_fly_menu";s:8:"top_logo";} 1 1 en Logo
84 64 0 100 top-buttons-grid hidden-phone 0 A template a:1:{s:8:"template";s:49:"blocks/static_templates/abt__ut2__top_buttons.tpl";} 1 1 en AB: Buttons Compare and Wishlist
87 66 a:1:{s:4:"menu";i:5;} 0 102 blocks/wrappers/onclick_dropdown.tpl top-menu-grid-vertical 0 D menu a:12:{s:8:"template";s:46:"blocks/menu/abt__ut2_dropdown_vertical_mwi.tpl";s:22:"abt__ut2_demo_block_id";s:9:"main_menu";s:21:"abt__ut2_filling_type";s:11:"row_filling";s:22:"abt__ut2_columns_count";s:1:"4";s:30:"dropdown_second_level_elements";s:2:"30";s:29:"dropdown_third_level_elements";s:2:"30";s:40:"abt__no_hidden_elements_third_level_view";s:1:"5";s:31:"abt__ut2_view_more_btn_behavior";s:10:"view_items";s:19:"abt_menu_icon_items";s:1:"Y";s:22:"abt__menu_compact_view";s:1:"N";s:24:"abt__ut2_menu_min_height";s:3:"550";s:27:"open_on_sticky_panel_button";s:1:"Y";} 1 1 en Categories
93 73 0 109 blocks/wrappers/footer_general.tpl 0 A template a:1:{s:8:"template";s:44:"blocks/static_templates/my_account_links.tpl";} 1 1 en My account
96 76 a:1:{s:7:"content";s:731:"<ul> <li><bdi>г. {$settings.Company.company_city}, {$settings.Company.company_address}</bdi></li> <li><bdi><a href="tel:{$settings.Company.company_phone}">{$settings.Company.company_phone} (звонок бесплатный)</a></bdi></li> <li><bdi><a href="tel:{$settings.Company.company_phone_2}">{$settings.Company.company_phone_2}</a></bdi></li> <li><bdi>{__('weekday_abr_1')}-{__('weekday_abr_0')} 9.00 - 18.00</bdi></li> <li><bdi><a class="ty-exception__links-a greeny" href="mailto:{$settings.Company.company_users_department}">{$settings.Company.company_users_department}</a></bdi></li> <li><a href="{'pages.view&page_id=20'|fn_url}" class="ty-exception__links-a">{__('view_on_map')}</a></li> </ul>";} 0 112 blocks/wrappers/footer_general.tpl footer-no-wysiwyg 0 A safe_smarty_block a:2:{s:8:"template";s:28:"blocks/safe_smarty_block.tpl";s:17:"abt__ut2_fly_menu";s:8:"contacts";} 1 1 en Contact us
147 125 0 163 0 A template a:6:{s:8:"template";s:49:"blocks/static_templates/abt__ut2__title_block.tpl";s:20:"abt__ut_center_title";s:1:"N";s:29:"abt__ut_title_line_decoration";s:1:"N";s:22:"abt__ut_big_size_title";s:3:"big";s:21:"abt__ut_title_opacity";s:1:"N";s:22:"abt__ut2_demo_block_id";s:0:"";} 1 1 en You may be interested
149 129 a:1:{s:5:"items";a:2:{s:7:"filling";s:8:"manually";s:8:"item_ids";s:11:"50,51,52,53";}} 0 167 0 A banners a:9:{s:8:"template";s:57:"addons/abt__unitheme2/blocks/abt__ut2_banner_multiple.tpl";s:6:"margin";s:1:"0";s:6:"height";s:5:"250px";s:13:"height_mobile";s:5:"250px";s:13:"minimal_width";s:5:"360px";s:19:"multiple_mode_items";s:1:"3";s:10:"navigation";s:1:"L";s:5:"delay";s:1:"0";s:22:"abt__ut2_demo_block_id";s:9:"banner_18";} 1 1 en Banner in product
150 130 a:1:{s:7:"content";s:1036:"<div class="row-fluid benefits"> <div class="span5 benefit delivery"> <i class="ut2-icon-outline-local_shipping"></i> <div class="content"> <header><a href="{"pages.view?page_id=22"|fn_url}" rel="nofollow">Fast and high quality delivery</a></header> <p>Our company makes delivery all over the country</p> </div> </div><div class="span6 benefit warranty"> <i class="ut2-icon-outline-verified_user"></i> <div class="content"> <header><a href="{"pages.view?page_id=6"|fn_url}" rel="nofollow">Quality assurance and service</a></header> <p>We offer only those goods, in which quality we are sure</p> </div> </div><div class="span5 benefit exchange"> <i class="ut2-icon-outline-archive"></i> <div class="content"> <header><a href="{"pages.view?page_id=21"|fn_url}" rel="nofollow">Returns within 30 days</a></header> <p>You have 30 days to test your purchase</p> </div> </div> </div>";} 0 168 0 A safe_smarty_block a:1:{s:8:"template";s:28:"blocks/safe_smarty_block.tpl";} 1 1 en Benefits
145 188 a:1:{s:7:"content";s:32:"{1|yl_vi_ft} <br> {2|yl_vi_ft}";} 0 1077 0 A safe_smarty_block a:8:{s:8:"template";s:28:"blocks/safe_smarty_block.tpl";s:22:"abt__ut2_demo_block_id";s:0:"";s:23:"skeleton_height_desktop";s:0:"";s:22:"skeleton_height_tablet";s:0:"";s:22:"skeleton_height_mobile";s:0:"";s:12:"abt__ut2_url";s:0:"";s:23:"abt__ut2_url_appearance";s:1:"L";s:23:"abt__ut2_url_new_window";s:1:"N";} 1 1 en test
81 57 a:1:{s:4:"text";s:10:"Currencies";} 0 93 1 D currencies a:6:{s:8:"template";s:21:"blocks/currencies.tpl";s:22:"abt__ut2_demo_block_id";s:0:"";s:4:"text";s:11:"Currencies:";s:6:"format";s:6:"symbol";s:14:"dropdown_limit";s:2:"10";s:17:"abt__ut2_fly_menu";s:10:"currencies";} 1 1 en FLY: Currencies
84 65 0 101 1 A template a:6:{s:8:"template";s:46:"blocks/static_templates/abt__ut2__contacts.tpl";s:49:"abt__ut2__block_contacts_show_call_request_button";s:1:"Y";s:44:"abt__ut2__block_contacts_show_social_buttons";s:1:"Y";s:35:"abt__ut2__block_contacts_show_email";s:1:"Y";s:36:"abt__ut2__block_contacts_show_addres";s:1:"Y";s:22:"abt__ut2_demo_block_id";s:0:"";} 1 1 en Contacts
87 67 a:1:{s:13:"settings_link";s:0:"";} 0 103 1 A abt__ut2_fly_menu a:9:{s:8:"template";s:50:"addons/abt__unitheme2/blocks/abt__ut2_fly_menu.tpl";s:22:"abt__ut2_demo_block_id";s:0:"";s:30:"dropdown_second_level_elements";s:2:"30";s:29:"dropdown_third_level_elements";s:2:"30";s:40:"abt__no_hidden_elements_third_level_view";s:1:"5";s:31:"abt__ut2_view_more_btn_behavior";s:10:"view_items";s:19:"abt_menu_icon_items";s:1:"Y";s:19:"abt__ut2_show_title";s:1:"N";s:27:"open_on_sticky_panel_button";s:1:"Y";} 1 1 en Menu
145 72 0 162 1 A main 1 1 en Главное содержимое
94 74 a:1:{s:7:"content";s:611:" <ul id="demo_store_links"> <li class="ty-footer-menu__item"><a href="{"pages.view?page_id=2"|fn_url}">About us</a></li> <li class="ty-footer-menu__item"><a href="{"pages.view?page_id=30"|fn_url}">Contact us</a></li> <li class="ty-footer-menu__item"><a href="{"gift_certificates.add"|fn_url}">Gift certificates</a></li> <li class="ty-footer-menu__item"><a href="{"product_features.view_all?filter_id=10"|fn_url}">Our brands</a></li> <li class="ty-footer-menu__item"><a href="{"pages.view?page_id=7"|fn_url}">Blog</a></li> <li class="ty-footer-menu__item"><a href="{"sitemap.view"|fn_url}">Sitemap</a></li> </ul>";} 0 110 blocks/wrappers/footer_general.tpl footer-no-wysiwyg 1 A safe_smarty_block a:1:{s:8:"template";s:28:"blocks/safe_smarty_block.tpl";} 1 1 en Demo Store
148 126 a:1:{s:5:"items";a:2:{s:7:"filling";s:8:"manually";s:8:"item_ids";s:74:"250,161,163,226,223,246,169,224,225,120,125,240,175,215,248,94,173,190,189";}} 0 164 1 A products a:6:{s:8:"template";s:33:"blocks/products/ab__grid_list.tpl";s:11:"item_number";s:1:"N";s:17:"number_of_columns";s:1:"6";s:21:"abt__ut2_loading_type";s:18:"onclick_and_scroll";s:22:"abt__ut2_demo_block_id";s:0:"";s:23:"hide_add_to_cart_button";s:1:"N";} 1 1 en Most Popular
80 55 0 91 2 A geo_maps_customer_location a:2:{s:8:"template";s:44:"addons/geo_maps/blocks/customer_location.tpl";s:17:"abt__ut2_fly_menu";s:26:"geo_maps_customer_location";} 1 1 en Customer location
81 58 0 94 2 D template a:3:{s:8:"template";s:48:"blocks/static_templates/abt__ut2__my_account.tpl";s:22:"abt__ut2_demo_block_id";s:0:"";s:17:"abt__ut2_fly_menu";s:10:"my_account";} 1 1 en My Account (block)
83 63 a:1:{s:4:"menu";i:6;} 0 99 hidden-phone 2 A menu a:3:{s:8:"template";s:26:"blocks/menu/text_links.tpl";s:18:"show_items_in_line";s:1:"N";s:22:"abt__ut2_demo_block_id";s:8:"top_menu";} 1 1 en Top menu
88 68 0 104 top-search 2 A template a:1:{s:8:"template";s:34:"blocks/static_templates/search.tpl";} 1 1 en Search
89 69 0 105 ut2-top-cart-content 2 A cart_content a:4:{s:8:"template";s:23:"blocks/cart_content.tpl";s:22:"display_bottom_buttons";s:1:"Y";s:20:"display_delete_icons";s:1:"Y";s:19:"products_links_type";s:5:"thumb";} 1 1 en Cart content
95 75 a:1:{s:7:"content";s:750:" <ul id="customer_service_links"> <li class="ty-footer-menu__item"><a href="{"orders.search"|fn_url}" rel="nofollow">About your order</a></li> {if $addons.wishlist && $addons.wishlist.status == 'A'} <li class="ty-footer-menu__item"><a href="{"wishlist.view"|fn_url}" rel="nofollow">Wishlist</a></li> {/if} {if $settings.General.enable_compare_products == 'Y'} <li class="ty-footer-menu__item"><a href="{"product_features.compare"|fn_url}" rel="nofollow">Comparison list</a></li> {/if} </ul>";} 0 111 blocks/wrappers/footer_general.tpl footer-no-wysiwyg 2 A safe_smarty_block a:1:{s:8:"template";s:28:"blocks/safe_smarty_block.tpl";} 1 1 en Customer Service
98 77 0 113 2 A template a:1:{s:8:"template";s:37:"blocks/static_templates/copyright.tpl";} 1 1 en Copyright
99 78 0 114 2 A template a:1:{s:8:"template";s:41:"blocks/static_templates/payment_icons.tpl";} 1 1 en Payment icons
148 127 a:1:{s:5:"items";a:3:{s:7:"filling";s:7:"on_sale";s:5:"limit";s:2:"18";s:3:"cid";s:0:"";}} 0 165 2 A products a:6:{s:8:"template";s:33:"blocks/products/ab__grid_list.tpl";s:11:"item_number";s:1:"N";s:17:"number_of_columns";s:1:"6";s:21:"abt__ut2_loading_type";s:7:"onclick";s:22:"abt__ut2_demo_block_id";s:0:"";s:23:"hide_add_to_cart_button";s:1:"N";} 1 1 en On Sale
81 60 a:1:{s:4:"text";s:0:"";} 0 96 top-currencies 3 A currencies a:4:{s:8:"template";s:21:"blocks/currencies.tpl";s:22:"abt__ut2_demo_block_id";s:0:"";s:6:"format";s:6:"symbol";s:14:"dropdown_limit";s:1:"1";} 1 1 en Currencies
89 70 0 106 ut2-top-my-account 3 A my_account a:1:{s:8:"template";s:21:"blocks/my_account.tpl";} 1 1 en Account
148 128 a:1:{s:5:"items";a:2:{s:7:"filling";s:15:"recent_products";s:5:"limit";s:1:"6";}} 0 166 3 A products a:5:{s:8:"template";s:41:"blocks/products/products_multicolumns.tpl";s:11:"item_number";s:1:"N";s:17:"number_of_columns";s:1:"6";s:22:"abt__ut2_demo_block_id";s:0:"";s:23:"hide_add_to_cart_button";s:1:"Y";} 1 1 en Recently Viewed
81 61 a:1:{s:4:"text";s:0:"";} 0 97 top-languages 4 A languages a:4:{s:8:"template";s:20:"blocks/languages.tpl";s:22:"abt__ut2_demo_block_id";s:0:"";s:6:"format";s:22:"ab__name_without_icons";s:14:"dropdown_limit";s:1:"0";} 1 1 en Languages