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 (
    86262, 86280, 86867, 86261, 86271, 86281, 
    86283, 86272, 86282, 86277, 86310, 
    87753, 86276, 86353, 86865, 87742, 
    87752, 86275, 86274, 87741, 86242, 
    86240, 87739, 87740, 86239, 86241, 
    87737, 87738, 93401, 93402, 93403, 
    93404, 93405, 93406, 94678, 94679, 
    94680, 94681, 94682, 94683, 94684, 
    94685, 95101, 95102, 95103, 95104, 
    95105, 95106, 95107, 95108, 95109, 
    95110, 95111, 95112, 95113, 95114, 
    95115, 95116, 95117, 95118, 95119, 
    95120, 95121, 95122, 95123, 95124, 
    95125, 95126, 95127, 95128, 95129, 
    95130, 95131, 95132, 95133, 95134, 
    95135, 95136, 95137, 95138, 95139, 
    95140, 95141, 95142, 95143, 95144, 
    95145, 95146, 95147, 95148, 95149, 
    95150, 95151, 95159, 95161, 95162
  ) 
  AND cscart_product_descriptions.lang_code = 'en'

Query time 0.00181

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 (86262,86280,86867,86261,86271,86281,86283,86272,86282,86277,86310,87753,86276,86353,86865,87742,87752,86275,86274,87741,86242,86240,87739,87740,86239,86241,87737,87738,93401,93402,93403,93404,93405,93406,94678,94679,94680,94681,94682,94683,94684,94685,95101,95102,95103,95104,95105,95106,95107,95108,95109,95110,95111,95112,95113,95114,95115,95116,95117,95118,95119,95120,95121,95122,95123,95124,95125,95126,95127,95128,95129,95130,95131,95132,95133,95134,95135,95136,95137,95138,95139,95140,95141,95142,95143,95144,95145,95146,95147,95148,95149,95150,95151,95159,95161,95162)) and (`nuie_scalesta_net`.`cscart_product_descriptions`.`lang_code` = 'en'))"
    }
  }
}