SELECT 
  c.* 
FROM 
  cscart_bm_containers as c 
WHERE 
  1 
  AND c.location_id = 2

Query time 0.00025

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE c ALL 128 Using where

Result

container_id location_id position width user_class linked_to_default status
5 2 TOP_PANEL 16 Y A
6 2 HEADER 16 Y A
7 2 CONTENT 16 content-grid Y A
8 2 FOOTER 16 Y A