SELECT 
  cscart_product_descriptions.product_id, 
  cscart_product_descriptions.short_description, 
  IF(
    cscart_product_descriptions.short_description = '' 
    OR cscart_product_descriptions.short_description IS NULL, 
    cscart_product_descriptions.full_description, 
    ''
  ) AS full_description 
FROM 
  cscart_product_descriptions 
WHERE 
  cscart_product_descriptions.product_id IN (
    95985, 95986, 95987, 95988, 95989, 95990, 
    95991, 95992, 95993, 95994, 95995, 
    95996, 95997, 95998, 95999, 96000, 
    96001, 96002, 96003, 96004, 96005, 
    96006, 96007, 96008, 96009, 96010, 
    96011, 96012, 96013, 96014, 96015, 
    96016, 96017, 96018, 96019, 96020, 
    96021, 96022, 96023, 96024, 96025, 
    96026, 96027, 96028, 96029, 96030, 
    96031, 96032, 96033, 96034, 96035, 
    96036, 96037, 96038, 96039, 96040, 
    96041, 96042, 96043, 96044, 96045, 
    96046, 96047, 96048, 96049, 96105, 
    96106, 96107, 96108, 96109, 96110, 
    96111, 96112, 96113, 96114, 96115, 
    96116, 96350, 96351, 96352, 96353, 
    96354, 96355, 96356, 96357, 96358, 
    96359, 96360, 96361, 96362, 96363, 
    96364, 96365, 96366, 96367, 96368
  ) 
  AND cscart_product_descriptions.lang_code = 'en'

Query time 0.00170

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "43.24"
    },
    "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": 96,
      "rows_produced_per_join": 96,
      "filtered": "100.00",
      "cost_info": {
        "read_cost": "33.64",
        "eval_cost": "9.60",
        "prefix_cost": "43.24",
        "data_read_per_join": "366K"
      },
      "used_columns": [
        "product_id",
        "lang_code",
        "short_description",
        "full_description"
      ],
      "attached_condition": "((`nuie_scalesta_net`.`cscart_product_descriptions`.`product_id` in (95985,95986,95987,95988,95989,95990,95991,95992,95993,95994,95995,95996,95997,95998,95999,96000,96001,96002,96003,96004,96005,96006,96007,96008,96009,96010,96011,96012,96013,96014,96015,96016,96017,96018,96019,96020,96021,96022,96023,96024,96025,96026,96027,96028,96029,96030,96031,96032,96033,96034,96035,96036,96037,96038,96039,96040,96041,96042,96043,96044,96045,96046,96047,96048,96049,96105,96106,96107,96108,96109,96110,96111,96112,96113,96114,96115,96116,96350,96351,96352,96353,96354,96355,96356,96357,96358,96359,96360,96361,96362,96363,96364,96365,96366,96367,96368)) and (`nuie_scalesta_net`.`cscart_product_descriptions`.`lang_code` = 'en'))"
    }
  }
}