DELETE FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'b4755978a3b4f26a170cfbdff2fba6eee3e69d3a4b8ca18aa159f281e94b42ac' 
  AND token = 'mdXhmmCfJC15khGAOtQx4LT8Pg1J+zAXn0Odf1W7EQI='

Query time 0.00029