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 (
    31964, 113408, 118255, 31165, 32790, 
    52428, 52435, 73429, 80787, 88373
  ) 
  AND cscart_product_descriptions.lang_code = 'en'

Query time 0.00069

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 10 Using where

Result

product_id short_description full_description meta_keywords meta_description search_words promo_text
31165 LWEGHD02,LW Recordings,Carl Nicholson,Grant Molloy,Chrysus,Stace,Perfect Poise
31964 LWEI006,LW Recordings,Riskee,DjayD
32790 LWADE04,LW Recordings,The Mungrel
52428 LWEGHH06,LW Recordings,Shano,Matt Clarkson
52435 LWEGHH06,LW Recordings,Craig Lee
73429 LWHDA14,LW Recordings,Doctor B,Groove Control,Nikki
80787 LWHDB06,LW Recordings,Nikkdbubble,Fithy Kitten,Dramatik
88373 LWHDB15,LW Recordings,Pitch Invader,Imogen,Groove Control
113408 LWHARDS08,LW Recordings,Tek & Fast
118255 LWHARDS15,LW Recordings,Justin Daniels,Jamie R,Joe Longbottom