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, 51220, 51219, 
    51218, 51217, 51216, 146, 51448, 51449, 
    51232, 12, 51238, 51237, 51236, 51235, 
    51234, 51233, 51243, 51242, 51241, 
    51240, 51239, 36, 51246, 51245, 51244, 
    35, 51248, 51247, 51253, 51252, 51251, 
    51250, 51249, 34, 51256, 51255, 51254, 
    33, 32, 51265, 51264, 51263, 51262, 
    51261, 51260, 51259, 110, 51273, 147, 
    51277, 51276, 51275, 51274, 51281, 
    51280, 51279, 51278, 51282, 7, 16, 114, 
    84, 89, 51390, 51391, 51392, 51393, 
    51394
  ) 
  AND cscart_product_descriptions.lang_code = 'ru'

Query time 0.00178

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "58.11"
    },
    "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": 83,
      "rows_produced_per_join": 83,
      "filtered": "100.00",
      "index_condition": "((`test_uchur_k`.`cscart_product_descriptions`.`product_id` in (130,51106,51107,51112,51111,51110,51109,51108,128,51118,51117,51116,51115,51114,51113,51220,51219,51218,51217,51216,146,51448,51449,51232,12,51238,51237,51236,51235,51234,51233,51243,51242,51241,51240,51239,36,51246,51245,51244,35,51248,51247,51253,51252,51251,51250,51249,34,51256,51255,51254,33,32,51265,51264,51263,51262,51261,51260,51259,110,51273,147,51277,51276,51275,51274,51281,51280,51279,51278,51282,7,16,114,84,89,51390,51391,51392,51393,51394)) and (`test_uchur_k`.`cscart_product_descriptions`.`lang_code` = 'ru'))",
      "cost_info": {
        "read_cost": "49.81",
        "eval_cost": "8.30",
        "prefix_cost": "58.11",
        "data_read_per_join": "378K"
      },
      "used_columns": [
        "product_id",
        "lang_code",
        "meta_keywords",
        "meta_description",
        "search_words",
        "promo_text"
      ]
    }
  }
}