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 (
    4643, 4641, 4371, 6277, 6210, 6313, 6283, 
    6284, 6205, 6204, 6203, 4973, 6206, 
    4956, 34983, 5183, 5511, 5657, 5368, 
    5364
  ) 
  AND cscart_product_descriptions.lang_code = 'en'

Query time 0.00032

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
4371 AWSMB009,AWsum,Klubfiller,Andy Whitby
4641 DEFCA04,Defiant Collection,Tom Berry,Klubfiller
4643 DEFCA04,Defiant Collection,Karlston Khaos,MC Whizzkid,Klubfiller
4956 UDT31,Underdog Trax,Elivate
4973 DEFCA09,Defiant Collection,XNRG
5183 AWSM043,AWsum,Zac F,Tom Berry
5364 DEFCA05,Defiance Recordings,Rezonance Q,Rob Cain
5368 DEFCA05,Defiance Recordings,XNRG
5511 TT2011002,Total Hard Dance,Spherical,MDA,Andy Whitby
5657 DEFCA08,Defiant Collection,XNRG
6203 YEAH039,Yeah Boi Recordings,Dark13
6204 YEAH039,Yeah Boi Recordings,Dark13,Jamie R
6205 YEAH039,Yeah Boi Recordings,Dark13,Justin Daniels
6206 UDT32,Underdog Trax,Cooki,Audox
6210 UDT39,Underdog Trax,Elivate
6277 BAD003,B2T Academy Digital,Charlie Bosh,Fierce DJ's,Kye Shand
6283 UDT38,Underdog Trax,DJ Ransome
6284 BAD001,B2T Academy Digital,Fierce DJ's
6313 B2T036,B2T Recordings,Your DJ's,Mr-F
34983 TPS033,TPS Records,Dj Murto,Dejotalberto