SELECT 
  category_id, 
  category, 
  description, 
  lang_code 
FROM 
  cscart_category_descriptions 
WHERE 
  category_id = 243

Query time 0.00028

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE cscart_category_descriptions ref PRIMARY PRIMARY 3 const 5

Result

category_id category description lang_code
243 Movies (DVD) de
243 Movies (DVD) en
243 Movies (DVD) es
243 Movies (DVD) fr
243 Movies (DVD) ru
243 Movies (DVD) uk