SELECT 
  c.* 
FROM 
  cscart_bm_containers as c 
WHERE 
  1 
  AND c.location_id = 264

Query time 0.00026

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE c ALL 524 Using where

Result

container_id location_id position width user_class linked_to_default status
902 264 TOP_PANEL 16 Y A
903 264 HEADER 16 Y A
904 264 CONTENT 16 Y A
905 264 FOOTER 16 Y A