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 (
    85969, 90187, 90188, 90284, 90292, 90145, 
    90160, 84052, 84060, 90130, 91476, 
    85965, 82516, 82544, 89559, 89569, 
    90299, 90306, 90144, 90159, 90249, 
    90257, 83941, 84085, 87412, 90283, 
    90291, 82515, 90143, 90158, 90200, 
    90211, 85968, 90195, 84089, 90170, 
    90171, 90134, 90135, 85964, 87359, 
    90298, 90305, 90230, 90245, 90184, 
    90185, 91475, 90136, 83940, 84084, 
    90282, 90290, 82514, 90208, 90219, 
    85967, 90248, 90256, 82511, 89564, 
    90227, 84051, 84059, 90281, 90289, 
    85963, 90177, 90178, 90247, 90255, 
    83939, 84083, 90207, 90218, 92001, 
    90179, 90133, 90229, 90244, 90280, 
    90288, 82485, 90194, 82510, 89555, 
    90254, 90262, 82499, 91473, 85962, 
    82436, 87381, 90228, 90243, 85611
  ) 
  AND cscart_product_descriptions.lang_code = 'en'

Query time 0.00154

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 (85969,90187,90188,90284,90292,90145,90160,84052,84060,90130,91476,85965,82516,82544,89559,89569,90299,90306,90144,90159,90249,90257,83941,84085,87412,90283,90291,82515,90143,90158,90200,90211,85968,90195,84089,90170,90171,90134,90135,85964,87359,90298,90305,90230,90245,90184,90185,91475,90136,83940,84084,90282,90290,82514,90208,90219,85967,90248,90256,82511,89564,90227,84051,84059,90281,90289,85963,90177,90178,90247,90255,83939,84083,90207,90218,92001,90179,90133,90229,90244,90280,90288,82485,90194,82510,89555,90254,90262,82499,91473,85962,82436,87381,90228,90243,85611)) and (`nuie_scalesta_net`.`cscart_product_descriptions`.`lang_code` = 'en'))"
    }
  }
}

Result

product_id short_description full_description
82436 Hudson Reed Apex 900mm Side Panel - 8mm Glass - Matt Black
82485 nuie Pacific 800mm Bi-Fold Door - 4mm Glass - Polished Chrome
82499 nuie Pacific 900mm Hinged Door - 6mm Glass - Polished Chrome
82510 nuie Pacific 1000mm Single Sliding Door - 6mm Glass - Polished Chrome
82511 nuie Pacific 1000mm Single Sliding Door - 6mm Glass - Polished Chrome
82514 nuie Pacific 1200mm Single Sliding Door - 6mm Glass - Polished Chrome
82515 nuie Pacific 1200mm Single Sliding Door - 6mm Glass - Polished Chrome
82516 nuie Pacific 1400mm Single Sliding Door - 6mm Glass - Polished Chrome
82544 nuie Pacific 800mm Quadrant Enclosure - 6mm Glass - Polished Chrome
83939 Hudson Reed 800mm Wetroom Screen With Arms and Feet - 8mm Glass - Brushed Brass
83940 Hudson Reed 900mm Wetroom Screen With Arms and Feet - 8mm Glass - Brushed Brass
83941 Hudson Reed 1000mm Wetroom Screen With Arms and Feet - 8mm Glass - Brushed Brass
84051 Hudson Reed 760mm Frame Screen with Arms and Feet - 8mm Glass - Matt Black
84052 Hudson Reed 800mm Frame Screen with Arms and Feet - 8mm Glass - Matt Black
84059 Hudson Reed Abstract 760mm Frame Wetroom Screen with Support Bars - 8mm Glass - Matt Black
84060 Hudson Reed Abstract 800mm Frame Wetroom Screen with Support Bars - 8mm Glass - Matt Black
84083 Hudson Reed 800mm Wetroom Screen with Arms and Feet - 8mm Glass - Matt Black
84084 Hudson Reed 900mm Wetroom Screen with Arms and Feet - 8mm Glass - Matt Black
84085 Hudson Reed 1000mm Wetroom Screen with Arms and Feet - 8mm Glass - Matt Black
84089 Hudson Reed 700mm Wetroom Screen with Ceiling Posts - 8mm Glass - Matt Black
85611 nuie Ella 800mm Corner Entry Enclosure - 5mm Glass - Satin Chrome
85962 Hudson Reed 900mm Wetroom Screen With Arms and Feet - 8mm Glass - Polished Chrome
85963 Hudson Reed 1000mm Wetroom Screen With Arms and Feet - 8mm Glass - Polished Chrome
85964 Hudson Reed 1100mm Wetroom Screen with Arms and Feet - 8mm Glass - Polished Chrome
85965 Hudson Reed 1200mm Wetroom Screen With Arms and Feet - 8mm Glass - Polished Chrome
85967 Hudson Reed 700mm Wetroom Screen With Ceiling Post - 8mm Glass - Polished Chrome
85968 Hudson Reed 800mm Wetroom Screen With Ceiling Post - 8mm Glass - Polished Chrome
85969 Hudson Reed 900mm Wetroom Screen With Ceiling Post - 8mm Glass - Polished Chrome
87359 Hudson Reed Apex 1000mm Side Panel - 8mm Glass - Polished Chrome
87381 Hudson Reed Apex 900mm Side Panel - 8mm Glass - Polished Chrome
87412 Hudson Reed Apex 700mm Hinged Door - 8mm Glass - Polished Chrome
89555 nuie Rene 1000mm Black Profile Sliding Door - 6mm Glass - Matt Black
89559 nuie Rene 1400mm Single Sliding Door - 6mm Glass - Matt Black
89564 nuie Rene 1000 x 800mm Offset Quadrant - 6mm Glass - Satin Chrome
89569 nuie Rene 800mm Black Profile Quadrant Enclosure - 6mm Glass - Matt Black
90130 Hudson Reed Fluted Wetroom Screens 1000mm Fluted Wetroom Scren with Arms & Feet - Polished Chrome
90133 Hudson Reed Fluted Wetroom Screens 800mm Fluted Wetroom Scren with Arms & Feet - Polished Chrome
90134 Hudson Reed Fluted Wetroom Screens 800mm Fluted Wetroom Scren with Arms & Feet - Brushed Brass
90135 Hudson Reed Fluted Wetroom Screens 800mm Fluted Wetroom Scren with Arms & Feet - Matt Black
90136 Hudson Reed Fluted Wetroom Screens 900mm Fluted Wetroom Scren with Arms & Feet - Polished Chrome
90143 nuie Full Outer Frame Wetroom Screens Full Outer Frame Wetroom 8mm Toughened Safety Glass Screen 1850mm x 700mm x 8mm - Brushed Brass
90144 nuie Full Outer Frame Wetroom Screens Full Outer Frame Wetroom 8mm Toughened Safety Glass Screen 1850mm x 760mm x 8mm - Brushed Brass
90145 nuie Full Outer Frame Wetroom Screens Full Outer Frame Wetroom 8mm Toughened Safety Glass Screen 1850mm x 800mm x 8mm - Brushed Brass
90158 nuie Full Outer Frame Wetroom Screens Full Outer Frame Wetroom 8mm Toughened Safety Glass Screen 1850mm x 700mm x 8mm - Matt Black
90159 nuie Full Outer Frame Wetroom Screens Full Outer Frame Wetroom 8mm Toughened Safety Glass Screen 1850mm x 760mm x 8mm - Matt Black
90160 nuie Full Outer Frame Wetroom Screens Full Outer Frame Wetroom 8mm Toughened Safety Glass Screen 1850mm x 800mm x 8mm - Matt Black
90170 nuie Fluted Wetroom Screens 1000mmx1850mm Fluted Wetroom Screen Including Support Bar - Brushed Brass
90171 nuie Fluted Wetroom Screens 1000mmx1850mm Fluted Wetroom Screen Including Support Bar - Matt Black
90177 nuie Fluted Wetroom Screens 900mmx1850mm Fluted Wetroom Screen Including Support Bar - Brushed Brass
90178 nuie Fluted Wetroom Screens 900mmx1850mm Fluted Wetroom Screen Including Support Bar - Matt Black
90179 Hudson Reed Fluted Wetroom Screens 1000mm x 1950mm Fluted Wetroom Screen Inc' Bar - Polished Chrome
90184 Hudson Reed Fluted Wetroom Screens 800mm Fluted Wetroom Screen with Support Bar - Brushed Brass
90185 Hudson Reed Fluted Wetroom Screens 800mm Fluted Wetroom Screen with Support Bar - Matt Black
90187 Hudson Reed Fluted Wetroom Screens 900mm Fluted Wetroom Screen with Support Bar - Brushed Brass
90188 Hudson Reed Fluted Wetroom Screens 900mm Fluted Wetroom Screen with Support Bar - Matt Black
90194 Hudson Reed 1200mm Wetroom Screen & Support Bar - 8mm Glass - Polished Chrome
90195 Hudson Reed 1400mm Wetroom Screen & Support Bar - 8mm Glass - Polished Chrome
90200 Hudson Reed 1000mm Wetroom Screen With Brass Support Bar - 8mm Glass - Brushed Brass
90207 Hudson Reed 800mm Wetroom Screen With Brass Support Bar - 8mm Glass - Brushed Brass
90208 Hudson Reed 900mm Wetroom Screen With Brass Support Bar - 8mm Glass - Brushed Brass
90211 Hudson Reed 1000mm Wetroom Screen With Black Support Bar - 8mm Glass - Matt Black
90218 Hudson Reed 800mm Wetroom Screen With Black Support Bar - 8mm Glass - Matt Black
90219 Hudson Reed 900mm Wetroom Screen With Black Support Bar - 8mm Glass - Matt Black
90227 nuie 1400mm Wetroom Screen & Support Bar - 8mm Glass - Polished Chrome
90228 nuie 1000mm Wetroom Screen With Support Bar - 8mm Glass - Brushed Brass
90229 nuie 1100mm Wetroom Screen With Support Bar - 8mm Glass - Brushed Brass
90230 nuie 1200mm Wetroom Screen With Support Bar - 8mm Glass - Brushed Brass
90243 nuie 1000mm Wetroom Screen With Support Bar - 8mm Glass - Matt Black
90244 nuie 1100mm Wetroom Screen With Support Bar - 8mm Glass - Matt Black
90245 nuie 1200mm Wetroom Screen With Support Bar - 8mm Glass - Matt Black
90247 nuie 1000mm Outer Framed Wetroom Screen with Support Bar - 8mm Glass - Brushed Brass
90248 nuie 1100mm Outer Framed Wetroom Screen with Support Bar - 8mm Glass - Brushed Brass
90249 nuie 1200mm Outer Framed Wetroom Screen with Support Bar - 8mm Glass - Brushed Brass
90254 nuie 900mm Outer Framed Wetroom Screen with Support Bar - 8mm Glass - Brushed Brass
90255 nuie 1000mm Outer Framed Wetroom Screen with Support Bar - 8mm Glass - Matt Black
90256 nuie 1100mm Outer Framed Wetroom Screen with Support Bar - 8mm Glass - Matt Black
90257 nuie 1200mm Outer Framed Wetroom Screen with Support Bar - 8mm Glass - Matt Black
90262 nuie 900mm Outer Framed Wetroom Screen with Support Bar - 8mm Glass - Matt Black
90280 Hudson Reed 800mm Framed Wetroom Screen - 8mm Glass - Matt Black
90281 Hudson Reed 900mm Framed Wetroom Screen - 8mm Glass - Matt Black
90282 Hudson Reed 1000mm Framed Wetroom Screen - 8mm Glass - Matt Black
90283 Hudson Reed 1100mm Framed Wetroom Screen - 8mm Glass - Matt Black
90284 Hudson Reed 1200mm Framed Wetroom Screen - 8mm Glass - Matt Black
90288 Hudson Reed Abstract 800mm Frame Wetroom Screen - 8mm Glass - Matt Black
90289 Hudson Reed Abstract 900mm Frame Wetroom Screen - 8mm Glass - Matt Black
90290 Hudson Reed Abstract 1000mm Frame Wetroom Screen - 8mm Glass - Matt Black
90291 Hudson Reed Abstract 1100mm Frame Wetroom Screen - 8mm Glass - Matt Black
90292 Hudson Reed Abstract 1200mm Frame Wetroom Screen - 8mm Glass - Matt Black
90298 Hudson Reed 700mm Outer Framed Wetroom Screen with Support Bar - 8mm Glass - Brushed Brass
90299 Hudson Reed 800mm Outer Framed Wetroom Screen with Support Bar - 8mm Glass - Brushed Brass
90305 Hudson Reed 700mm Outer Framed Wetroom Screen with Support Bar - 8mm Glass - Matt Black
90306 Hudson Reed 800mm Outer Framed Wetroom Screen with Support Bar - 8mm Glass - Matt Black
91473 nuie Rene 6mm Toughened Safety Glass Shower Hinged Door, 800mm x 1850mm - Brushed Brass
91475 nuie Rene 6mm Toughened Safety Glass Shower Sliding Door, 1000mm x 1850mm - Brushed Brass
91476 nuie Rene 6mm Toughened Safety Glass Shower Sliding Door, 1200mm x 1850mm - Brushed Brass
92001 BC Designs Victrion Oval Shower Ring 1094mm x 685mm x 374mm - Chrome