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 (
    80633, 80632, 80631, 80630, 80629, 80628, 
    80627, 80626, 80625, 80624, 80623, 
    80622, 80621, 80620, 80619, 80618, 
    80617, 80616, 80615, 80614
  ) 
  AND cscart_product_descriptions.lang_code = 'en'

Query time 0.00065

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
80614 LWHTE05,LW Recordings,Jonathan Leyton
80615 LWHTE05,LW Recordings,The Guardian
80616 LWHTE05,LW Recordings,IP
80617 LWHTE05,LW Recordings,Turtle Claw
80618 LWHTE05,LW Recordings,Riezan
80619 LWHTE05,LW Recordings,NuroGL,Hagane Shizuka
80620 LWHTE05,LW Recordings,Adicon
80621 LWHTE05,LW Recordings,Cutoff:Sky
80622 LWHTE05,LW Recordings,Monterey
80623 LWHTE05,LW Recordings,Noizy Boy,Splinta
80624 LWHTE05,LW Recordings,Nando Cp
80625 LWHTE05,LW Recordings,TrRaxxter
80626 LWHTE05,LW Recordings,Akira Don
80627 LWHTE05,LW Recordings,Bervon
80628 LWHTE05,LW Recordings,Jerzz
80629 LWHTE05,LW Recordings,Baz Coleman
80630 LWHTE05,LW Recordings,Walter Clavel,Roberto Alfonso
80631 LWHTE05,LW Recordings,Ulser
80632 LWHTE05,LW Recordings,Sarah C,Dark Electric
80633 LWHTE05,LW Recordings,Sub Zero One