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 (
    98753, 98752, 98751, 98750, 98749, 98624, 
    98427, 98939, 92935, 98907, 98906, 
    98905, 98904, 98902, 98832, 98831, 
    98795, 98623, 98615, 98435
  ) 
  AND cscart_product_descriptions.lang_code = 'en'

Query time 0.00093

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
92935 Paul Hunter, Peter Davidson, Welcome To Slavery, Vicious Circle, Exclusive, Toolbox Digital Download Welcome To Slavery by Vicious Circle from Toolbox Digital, the UK’s number one outlet for exclusive hard dance, hard trance, hardcore, hardstyle and more.
98427 BMRTB1,Beast Mode Recordings,Tuna Charlie,NuroGL
98435 UTHHD051,Ultratech,Sam E
98615 Paul Hunter, Highway 61, Slingshot Paul Hunter, Highway 61, Slingshot
98623
98624
98749 BOX004,Hot Box Digital,Team Sly
98750 BOX004,Hot Box Digital,Kirk P,Team Sly
98751 BOX004,Hot Box Digital,Team Sly
98752 BOX004,Hot Box Digital,The Hoover Jocks
98753 BOX004,Hot Box Digital,Paul Hunter
98795 Mada,Mr Dj Global awakening records
98831
98832
98902 Homzy, Random but raw, full circle productions Homzy, random but raw, full circle productions, full circle
98904 Nuro GL, Burning Blade Nuro GL, Burning Blade
98905 Tara N, Burning Blade Tara N, Burning Blade
98906 DANNY,GIBSON,HIGH,HOOVER,VOCAL,HARD,HOUSE DANNY,GIBSON,HIGH,HOOVER,VOCAL,HARD,HOUSE
98907
98939