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 (
    93532, 93819, 93820, 93821, 93822, 93823, 
    93824, 93831, 93846, 93847, 93855, 
    93856, 93857, 93858, 93878, 93879, 
    93880, 93881, 94161, 94162, 94163, 
    94164, 94435, 94442, 94443, 94444, 
    94445, 94446, 94592, 94593, 94594, 
    94650, 94662, 94814, 94815, 94837, 
    95443, 95444, 95445, 95446, 95447, 
    95791, 95792, 95793, 95794, 95795, 
    95796, 95797, 95798, 95799, 95800, 
    95801, 95802, 95804, 95806, 95808, 
    95810, 95812, 96564, 96565, 96566, 
    96567, 96568, 97716, 97717, 97718, 
    97774, 97786, 98146, 98148, 98152, 
    98155, 98407, 98408, 98409, 98410, 
    98552, 98553, 98554, 98555, 98556, 
    98763, 98764, 98765, 98766, 98767, 
    98768, 98818, 98822, 98826, 98830, 
    98859, 98860, 98861, 98862, 98863
  ) 
  AND cscart_product_descriptions.lang_code = 'en'

Query time 0.00142

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 (93532,93819,93820,93821,93822,93823,93824,93831,93846,93847,93855,93856,93857,93858,93878,93879,93880,93881,94161,94162,94163,94164,94435,94442,94443,94444,94445,94446,94592,94593,94594,94650,94662,94814,94815,94837,95443,95444,95445,95446,95447,95791,95792,95793,95794,95795,95796,95797,95798,95799,95800,95801,95802,95804,95806,95808,95810,95812,96564,96565,96566,96567,96568,97716,97717,97718,97774,97786,98146,98148,98152,98155,98407,98408,98409,98410,98552,98553,98554,98555,98556,98763,98764,98765,98766,98767,98768,98818,98822,98826,98830,98859,98860,98861,98862,98863)) and (`nuie_scalesta_net`.`cscart_product_descriptions`.`lang_code` = 'en'))"
    }
  }
}