SELECT 
  vi_product_feature_variants.variant_id, 
  vi_product_feature_variants.position, 
  vi_product_feature_variants.color, 
  vi_product_feature_variant_descriptions.variant 
FROM 
  vi_product_feature_variants 
  LEFT JOIN vi_product_feature_variant_descriptions ON vi_product_feature_variants.variant_id = vi_product_feature_variant_descriptions.variant_id 
  AND vi_product_feature_variant_descriptions.lang_code = 'ru' 
WHERE 
  vi_product_feature_variants.variant_id IN (
    39, 46, 49, 52, 55, 58, 66, 69, 73, 76, 78, 
    84, 41, 44, 51, 53, 56, 59, 61, 63, 65, 
    67, 68, 70, 71, 74, 77, 80, 83, 45, 47, 
    48, 50, 54, 60, 62, 64, 72, 75, 79, 81, 
    82, 88, 89, 91, 92, 93, 94, 95, 97, 98, 
    99, 100, 101, 102, 103, 104, 106, 108, 
    109, 110, 111, 112, 114, 115, 117, 121, 
    135, 136
  ) 
ORDER BY 
  vi_product_feature_variants.position ASC, 
  vi_product_feature_variant_descriptions.variant ASC

Query time 0.00094

JSON explain

{
  "query_block": {
    "select_id": 1,
    "filesort": {
      "sort_key": "vi_product_feature_variants.position, vi_product_feature_variant_descriptions.variant",
      "temporary_table": {
        "nested_loop": [
          {
            "table": {
              "table_name": "vi_product_feature_variants",
              "access_type": "ALL",
              "possible_keys": ["PRIMARY"],
              "rows": 186,
              "filtered": 37.09677505,
              "attached_condition": "vi_product_feature_variants.variant_id in (39,46,49,52,55,58,66,69,73,76,78,84,41,44,51,53,56,59,61,63,65,67,68,70,71,74,77,80,83,45,47,48,50,54,60,62,64,72,75,79,81,82,88,89,91,92,93,94,95,97,98,99,100,101,102,103,104,106,108,109,110,111,112,114,115,117,121,135,136)"
            }
          },
          {
            "table": {
              "table_name": "vi_product_feature_variant_descriptions",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY"],
              "key": "PRIMARY",
              "key_length": "9",
              "used_key_parts": ["variant_id", "lang_code"],
              "ref": [
                "devvipiriscom.vi_product_feature_variants.variant_id",
                "const"
              ],
              "rows": 1,
              "filtered": 100,
              "attached_condition": "trigcond(vi_product_feature_variant_descriptions.lang_code = 'ru')"
            }
          }
        ]
      }
    }
  }
}