SELECT 
  lang.name, 
  IF(
    vi_ult_language_values.value IS NULL, 
    lang.value, vi_ult_language_values.value
  ) as value 
FROM 
  vi_language_values lang 
  LEFT JOIN vi_ult_language_values ON vi_ult_language_values.name = lang.name 
  AND company_id = 1 
  AND vi_ult_language_values.lang_code = lang.lang_code 
WHERE 
  lang.lang_code = 'ru' 
  AND lang.name IN (
    'new_post', 'write_review', 'abt__ut2.discussion.asr_title', 
    'reviews', 'abt__ut2.discussion.avr_part1', 
    'abt__ut2.discussion.avr_part2', 
    'reviews', 'abt__ut2.discussion.avr_part1', 
    'abt__ut2.discussion.avr_part2', 
    'abt__ut2.discussion.asr_title', 
    'reviews', 'abt__ut2.discussion.avr_part1', 
    'abt__ut2.discussion.avr_part2', 
    'reviews', 'abt__ut2.discussion.avr_part1', 
    'abt__ut2.discussion.avr_part2', 
    'abt__ut2.discussion.star', 'abt__ut2.discussion.star', 
    'selected', 'abt__ut2.discussion.star', 
    'show_all', 'abt__ut2.discussion.verified_buyer', 
    'abt__ut2.discussion.verified_buyer_bp', 
    'abt__ut2.discussion.see_more', 
    'abt__ut2.discussion.see_less', 
    'abt__ut2.discussion.verified_buyer', 
    'abt__ut2.discussion.verified_buyer_bp', 
    'abt__ut2.discussion.new_post_title', 
    'abt__ut2.discussion.new_post_descr', 
    'no_posts_found', 'abt__ut2.discussion.new_post_title', 
    'abt__ut2.discussion.new_post_descr', 
    'no_posts_found', 'new_post', 'write_review', 
    'abt__ut2.discussion.asr_title', 
    'reviews', 'abt__ut2.discussion.avr_part1', 
    'abt__ut2.discussion.avr_part2', 
    'reviews', 'abt__ut2.discussion.avr_part1', 
    'abt__ut2.discussion.avr_part2', 
    'abt__ut2.discussion.asr_title', 
    'reviews', 'abt__ut2.discussion.avr_part1', 
    'abt__ut2.discussion.avr_part2', 
    'reviews', 'abt__ut2.discussion.avr_part1', 
    'abt__ut2.discussion.avr_part2', 
    'abt__ut2.discussion.star', 'abt__ut2.discussion.star', 
    'selected', 'abt__ut2.discussion.star', 
    'show_all', 'abt__ut2.discussion.verified_buyer', 
    'abt__ut2.discussion.verified_buyer_bp', 
    'abt__ut2.discussion.see_more', 
    'abt__ut2.discussion.see_less', 
    'abt__ut2.discussion.verified_buyer', 
    'abt__ut2.discussion.verified_buyer_bp', 
    'abt__ut2.discussion.new_post_title', 
    'abt__ut2.discussion.new_post_descr', 
    'no_posts_found', 'abt__ut2.discussion.new_post_title', 
    'abt__ut2.discussion.new_post_descr', 
    'no_posts_found'
  )

Query time 0.00107

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "vi_ult_language_values",
          "access_type": "system",
          "possible_keys": ["PRIMARY"],
          "rows": 0,
          "filtered": 0,
          "const_row_not_found": true
        }
      },
      {
        "table": {
          "table_name": "lang",
          "access_type": "range",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "392",
          "used_key_parts": ["lang_code", "name"],
          "rows": 16,
          "filtered": 100,
          "index_condition": "lang.lang_code = 'ru' and lang.`name` in ('new_post','write_review','abt__ut2.discussion.asr_title','reviews','abt__ut2.discussion.avr_part1','abt__ut2.discussion.avr_part2','reviews','abt__ut2.discussion.avr_part1','abt__ut2.discussion.avr_part2','abt__ut2.discussion.asr_title','reviews','abt__ut2.discussion.avr_part1','abt__ut2.discussion.avr_part2','reviews','abt__ut2.discussion.avr_part1','abt__ut2.discussion.avr_part2','abt__ut2.discussion.star','abt__ut2.discussion.star','selected','abt__ut2.discussion.star','show_all','abt__ut2.discussion.verified_buyer','abt__ut2.discussion.verified_buyer_bp','abt__ut2.discussion.see_more','abt__ut2.discussion.see_less','abt__ut2.discussion.verified_buyer','abt__ut2.discussion.verified_buyer_bp','abt__ut2.discussion.new_post_title','abt__ut2.discussion.new_post_descr','no_posts_found','abt__ut2.discussion.new_post_title','abt__ut2.discussion.new_post_descr','no_posts_found','new_post','write_review','abt__ut2.discussion.asr_title','reviews','abt__ut2.discussion.avr_part1','abt__ut2.discussion.avr_part2','reviews','abt__ut2.discussion.avr_part1','abt__ut2.discussion.avr_part2','abt__ut2.discussion.asr_title','reviews','abt__ut2.discussion.avr_part1','abt__ut2.discussion.avr_part2','reviews','abt__ut2.discussion.avr_part1','abt__ut2.discussion.avr_part2','abt__ut2.discussion.star','abt__ut2.discussion.star','selected','abt__ut2.discussion.star','show_all','abt__ut2.discussion.verified_buyer','abt__ut2.discussion.verified_buyer_bp','abt__ut2.discussion.see_more','abt__ut2.discussion.see_less','abt__ut2.discussion.verified_buyer','abt__ut2.discussion.verified_buyer_bp','abt__ut2.discussion.new_post_title','abt__ut2.discussion.new_post_descr','no_posts_found','abt__ut2.discussion.new_post_title','abt__ut2.discussion.new_post_descr','no_posts_found')"
        }
      }
    ]
  }
}