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, 
  cscart_product_descriptions.meta_keywords, 
  cscart_product_descriptions.meta_description, 
  cscart_product_descriptions.search_words, 
  cscart_product_descriptions.promo_text 
FROM 
  cscart_product_descriptions 
WHERE 
  cscart_product_descriptions.product_id IN (
    100177, 99746, 99740, 99739, 99738, 
    99737, 99736, 99735, 93037, 100224, 
    100223, 100222, 100221, 100220, 100219, 
    100218, 100217, 100216, 100215, 100214
  ) 
  AND cscart_product_descriptions.lang_code = 'en'

Query time 0.00082

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE cscart_product_descriptions range PRIMARY,product_id PRIMARY 9 20 Using where

Result

product_id short_description full_description meta_keywords meta_description search_words promo_text
93037
99735 Cheek551,Cheeky Tracks,Kid Dynamo
99736 Cheek551,Cheeky Tracks,Kid Dynamo
99737 Cheek551,Cheeky Tracks,Kid Dynamo,Grapey
99738 Cheek551,Cheeky Tracks,Kid Dynamo,Grapey
99739 Cheek551,Cheeky Tracks,Kid Dynamo
99740 Cheek551,Cheeky Tracks,Kid Dynamo
99746 Paul Clark, Adelile, Frantic Digital, Hard Trance, When I Look At You Paul Clark, Adelile, Frantic Digital, Hard Trance, When I Look At You
100177 Global,Awakening,Records Global,Awakening,Records
100214
100215
100216
100217
100218
100219
100220
100221
100222
100223
100224