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 (
    90094, 90104, 90113, 91937, 91939, 91940, 
    91941, 91942, 91943, 89201, 89271, 
    89274, 89358, 91288, 86822, 86856, 
    83116, 83126, 83135, 89327, 91283, 
    83144, 90121, 89373, 89266, 82386, 
    84123, 86228, 89200, 89328, 86223, 
    89004, 89329, 91961, 91962, 91963, 
    91964, 91965, 91966, 91967, 83143, 
    89269, 86227, 84122, 82447, 89402, 
    89404, 91284, 89403, 89331, 82403, 
    82410, 82424, 89265, 89330, 89264, 
    86817, 89368, 89268, 89367, 89308, 
    91920, 91928, 89267, 86818, 86820, 
    89591, 89592, 86226, 89295, 86237, 
    89332, 89294, 89405, 91912, 89309, 
    89321, 86230, 89257, 89323, 91993, 
    91994, 91995, 91996, 91997, 91998, 
    91999, 89322, 89325, 86816, 89306, 
    89324, 89366, 89305, 89317, 82385
  ) 
  AND cscart_product_descriptions.lang_code = 'en'

Query time 0.00168

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 (90094,90104,90113,91937,91939,91940,91941,91942,91943,89201,89271,89274,89358,91288,86822,86856,83116,83126,83135,89327,91283,83144,90121,89373,89266,82386,84123,86228,89200,89328,86223,89004,89329,91961,91962,91963,91964,91965,91966,91967,83143,89269,86227,84122,82447,89402,89404,91284,89403,89331,82403,82410,82424,89265,89330,89264,86817,89368,89268,89367,89308,91920,91928,89267,86818,86820,89591,89592,86226,89295,86237,89332,89294,89405,91912,89309,89321,86230,89257,89323,91993,91994,91995,91996,91997,91998,91999,89322,89325,86816,89306,89324,89366,89305,89317,82385)) and (`nuie_scalesta_net`.`cscart_product_descriptions`.`lang_code` = 'en'))"
    }
  }
}

Result

product_id short_description full_description
82385 Hudson Reed Shower Kits Rigid Riser Kit - Chrome / White
82386 nuie Shower Kits Rigid Riser Kit - Chrome
82403 nuie Shower Kits Slide Rail Kit - Matt Black
82410 nuie Shower Kits Square Slider Rail Kit with Elbow - Gunmetal
82424 nuie Shower Kits Slide Rail Kit - Brushed Brass
82447 nuie Traditional Twin Exposed Shower Valve - Chrome/ White
83116 nuie Arvan Twin Thermostatic Valve - Matt Black
83126 nuie Arvan Twin Thermostatic Valve - Gunmetal
83135 nuie Arvan Twin Thermostatic Valve - Brushed Brass
83143 nuie Arvan Twin Thermostatic Valve - Chrome
83144 nuie Arvan Twin Thermostatic Valve With Diverter - Chrome
84122 nuie Binsey Twin Thermostatic Valve - Chrome
84123 nuie Binsey Twin Thermostatic Valve With Diverter - Chrome
86223 nuie Shower Heads Fixed Head - Chrome
86226 Hudson Reed Fixed Shower Heads Fixed Head - Chrome
86227 Hudson Reed Fixed Shower Heads Ceiling Mounted Head & Arm - Chrome
86228 Hudson Reed Fixed Shower Heads Fixed Head - Chrome
86230 Hudson Reed Fixed Shower Heads Fixed Head - Chrome
86237 Hudson Reed Fixed Shower Heads Ceiling Tile Fixed Head - Chrome
86816 nuie Shower Kits Thermostatic Bar Shower With Kit - Chrome
86817 nuie Shower Kits Thermostatic Bar Shower With Kit - Chrome
86818 nuie Shower Kits Round Thermostatic Bar Valve & Shower Kit - Matt Black
86820 nuie Shower Kits Round Thermostatic Bar Valve & Shower Kit - Gunmetal
86822 nuie Shower Kits Round Thermostatic Bar Valve & Shower Kit - Brushed Brass
86856 Hudson Reed Shower Accessories Shower Seat - Chrome
89004 Hudson Reed Astra Bath Filler - Chrome
89200 nuie Sanford Twin Thermostatic Valve - Chrome
89201 nuie Sanford Twin Thermostatic Valve With Diverter - Chrome
89257 nuie Concealed Manual Round Valve, Wall Mount Shower Arm & Round Fixed Head Shower Kit - Chrome
89264 nuie Thermostatic Round Bar Valve & Single Function Slide Rail Shower Kit - Chrome
89265 nuie Thermostatic Round Bar Valve & Multi Function Slide Rail Shower Kit - Chrome
89266 nuie Thermostatic Round Bar Valve & Multi Function Slide Rail Shower Kit - Chrome
89267 nuie Thermostatic Round Bar Valve & Multi Function Slide Rail Shower Kit - Chrome
89268 nuie Thermostatic Round Bar Valve & Multi Function Slide Rail Shower Kit - Chrome
89269 nuie Thermostatic Round Bar Valve & Single Function Slide Rail Shower Kit - Chrome
89271 nuie Binsey Thermostatic Round Bath Shower Mixer & Single Function Slide Rail Shower Kit - Chrome
89274 nuie Arvan Thermostatic Round Bath Shower Mixer & Single Function Slide Rail Shower Kit - Chrome
89294 nuie Arvan Manual Concealed Twin Round Valve with Diverter, Slide Rail Kit with Multi Function Handset & Outlet Elbow Wall Mount Shower Arm & Round Fixed Head Shower Kit - Chrome
89295 nuie Binsey Manual Concealed Twin Round Valve with Diverter, Slide Rail Kit with Multi Function Handset & Outlet Elbow Wall Mount Shower Arm & Round Fixed Head Shower Kit - Chrome
89305 nuie Thermostatic Round Bar Valve & Multi Function Slide Rail Shower Kit - Chrome
89306 nuie Thermostatic Round Bar Valve & Luxury Curved Multi Function Slide Rail Shower Kit - Chrome
89308 nuie Thermostatic Round Bar Valve & Multi Function Slide Rail Shower Kit - Chrome
89309 nuie Thermostatic Round Bar Valve & Single Function Slide Rail Shower Kit - Chrome
89317 nuie Thermostatic Vertical Round Bar Valve & Multi Function Slide Rail Shower Kit - Chrome
89321 nuie Thermostatic Round Bar Valve & Multi Function Slide Rail Shower Kit - Chrome
89322 nuie Thermostatic Round Bar Valve & Single Function Slide Rail Shower Kit - Chrome
89323 nuie Thermostatic Round Bar Valve & Multi Function Slide Rail Shower Kit - Chrome
89324 nuie Thermostatic Round Bar Valve & Single Function Slide Rail Shower Kit - Chrome
89325 nuie Thermostatic Round Bar Valve & Multi Function Slide Rail Shower Kit - Chrome
89327 nuie Reef Thermostatic Bath Shower Mixer & Multi Function Slide Rail Shower Kit - Chrome
89328 nuie Reef Thermostatic Bath Shower Mixer & Single Function Slide Rail Shower Kit - Chrome
89329 nuie Reef Thermostatic Bath Shower Mixer & Luxury Curved Multi Function Slide Rail Shower Kit - Chrome
89330 nuie Reef Thermostatic Bath Shower Mixer & Single Function Slide Rail Shower Kit - Chrome
89331 nuie Reef Thermostatic Bath Shower Mixer & Multi Function Slide Rail Shower Kit - Chrome
89332 nuie Reef Thermostatic Bath Shower Mixer & Multi Function Slide Rail Shower Kit - Chrome
89358 nuie Sanford Manual Concealed Square Valve, Slide Rail Kit with Single Function Handset & Outlet Elbow Wall Mount Shower Arm & Square Fixed Head Shower Kit - Chrome
89366 nuie Thermostatic Square Bar Valve & Single Function Slide Rail Shower Kit - Chrome
89367 nuie Thermostatic Square Bar Valve & Single Function Slide Rail Shower Kit - Chrome
89368 nuie Thermostatic Square Bar Valve & Single Function Slide Rail Shower Kit - Chrome
89373 nuie Thermostatic Square Bar Valve & Single Function Slide Rail Shower Kit - Chrome
89402 nuie Traditional Manual Concealed Valve & Single Function Slider Rail Kit & Outlet Elbow - Chrome/White
89403 nuie Traditional Manual Concealed Valve, Wall Mount Shower Arm and Round Fixed Head Shower Kit - Chrome/White
89404 nuie Traditional Manual Exposed Valve & Single Function Slider Rail Kit & Outlet Elbow - Chrome/White
89405 nuie Traditional Manual Exposed Valve & Rigid Riser Kit with Swivel Spout - Chrome/White
89591 nuie Shower Heads Round LED Fixed Head - Chrome
89592 nuie Shower Heads Square LED Fixed Head - Chrome
90094 nuie Windon Twin Thermostatic Valve - Matt Black
90104 nuie Windon Twin Thermostatic Valve - Gunmetal
90113 nuie Windon Twin Thermostatic Valve - Brushed Brass
90121 nuie Windon Twin Thermostatic Valve - Chrome
91283 nuie Aztec Twin Thermostatic Concealed Shower Valve with Diverter - 2 Outlet - Chrome
91284 nuie Aztec Twin Thermostatic Concealed Shower Valve - 1 Outlet - Chrome
91288 nuie Aztec Twin Thermostatic Concealed Shower Valve - 1 Outlet - Matt Black
91912 BC Designs Victrion Single Outlet Twin Thermostatic Concealed Shower Valve - Chrome
91920 BC Designs Victrion Single Outlet Twin Thermostatic Exposed Valve - Chrome
91928 BC Designs Victrion Two Outlet Triple Thermostatic Concealed Valve - Chrome
91937 BC Designs Victrion Traditional Slide Rail Kit and Handset - Brushed Chrome
91939 BC Designs Victrion Traditional Slide Rail Kit and Handset - Brushed Gold
91940 BC Designs Victrion Traditional Slide Rail Kit and Handset - Brushed Nickel
91941 BC Designs Victrion Traditional Slide Rail Kit and Handset - Copper
91942 BC Designs Victrion Traditional Slide Rail Kit and Handset - Gold
91943 BC Designs Victrion Traditional Slide Rail Kit and Handset - Nickel
91961 BC Designs Victrion 12" Fixed Shower Head - Brushed Chrome
91962 BC Designs Victrion 12" Fixed Shower Head - Brushed Copper
91963 BC Designs Victrion 12" Fixed Shower Head - Brushed Gold
91964 BC Designs Victrion 12" Fixed Shower Head - Brushed Nickel
91965 BC Designs Victrion 12" Fixed Shower Head - Copper
91966 BC Designs Victrion 12" Fixed Shower Head - Gold
91967 BC Designs Victrion 12" Fixed Shower Head - Nickel
91993 BC Designs Victrion Wall Mounted Handset Shower Set - Brushed Chrome
91994 BC Designs Victrion Wall Mounted Handset Shower Set - Brushed Copper
91995 BC Designs Victrion Wall Mounted Handset Shower Set - Brushed Gold
91996 BC Designs Victrion Wall Mounted Handset Shower Set - Brushed Nickel
91997 BC Designs Victrion Wall Mounted Handset Shower Set - Copper
91998 BC Designs Victrion Wall Mounted Handset Shower Set - Gold
91999 BC Designs Victrion Wall Mounted Handset Shower Set - Nickel