SELECT 
  category_id, 
  category, 
  description, 
  lang_code 
FROM 
  cscart_category_descriptions 
WHERE 
  category_id = 242

Query time 0.00013

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE cscart_category_descriptions ref PRIMARY PRIMARY 3 const 6

Result

category_id category description lang_code
242 Blu-ray Discs de
242 Blu-ray Discs en
242 Blu-ray Discs es
242 Blu-ray Discs fr
242 Blu-ray Discs ru
242 Blu-ray Discs uk