UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '168R6aWfmMfqzYJ/nSYLDt65Nx1PxEMcdf1Aiz910MU=' 
WHERE 
  key_id = '68cf74ff084f1dd87088912bc578512e1f9d8f86c8d1ca92290e6572e2578401' 
  AND (
    token = '168R6aWfmMfqzYJ/nSYLDt65Nx1PxEMcdf1Aiz910MU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )