SELECT 
  cscart_product_descriptions.product_id, 
  cscart_product_descriptions.meta_keywords, 
  cscart_product_descriptions.meta_description, 
  cscart_product_descriptions.search_words, 
  cscart_product_descriptions.promo_text 
FROM 
  cscart_product_descriptions 
WHERE 
  cscart_product_descriptions.product_id IN (
    130, 51106, 51107, 51112, 51111, 51110, 
    51109, 51108, 128, 51118, 51117, 51116, 
    51115, 51114, 51113, 51123, 51122, 
    51121, 92, 49, 51129, 51128, 51127, 
    51126, 51125, 48, 51132, 51131, 51134, 
    51133, 51130, 41, 51139, 51138, 51137, 
    51136, 51135, 40, 51144, 51143, 51142, 
    51141, 51140, 39, 51146, 51145, 38, 
    51148, 51147, 51150, 51149, 37, 51155, 
    51154, 51153, 51152, 21, 51158, 51157, 
    51156, 53, 51160, 51159, 50984, 51450, 
    51451, 134, 51565, 51574, 51575, 51576, 
    51577, 51567, 51582, 51583, 51584, 
    51585, 51586
  ) 
  AND cscart_product_descriptions.lang_code = 'ru'

Query time 0.00132

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "54.61"
    },
    "table": {
      "table_name": "cscart_product_descriptions",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY",
        "product_id"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "product_id",
        "lang_code"
      ],
      "key_length": "9",
      "rows_examined_per_scan": 78,
      "rows_produced_per_join": 78,
      "filtered": "100.00",
      "index_condition": "((`test_uchur_k`.`cscart_product_descriptions`.`product_id` in (130,51106,51107,51112,51111,51110,51109,51108,128,51118,51117,51116,51115,51114,51113,51123,51122,51121,92,49,51129,51128,51127,51126,51125,48,51132,51131,51134,51133,51130,41,51139,51138,51137,51136,51135,40,51144,51143,51142,51141,51140,39,51146,51145,38,51148,51147,51150,51149,37,51155,51154,51153,51152,21,51158,51157,51156,53,51160,51159,50984,51450,51451,134,51565,51574,51575,51576,51577,51567,51582,51583,51584,51585,51586)) and (`test_uchur_k`.`cscart_product_descriptions`.`lang_code` = 'ru'))",
      "cost_info": {
        "read_cost": "46.81",
        "eval_cost": "7.80",
        "prefix_cost": "54.61",
        "data_read_per_join": "355K"
      },
      "used_columns": [
        "product_id",
        "lang_code",
        "meta_keywords",
        "meta_description",
        "search_words",
        "promo_text"
      ]
    }
  }
}