UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b+j4vVDzaBEgBIoDvT1R6PNQxEUYtTpznoi7xliLPMs=' 
WHERE 
  key_id = '4fd8d9d38e6b042632cb31194025c84c49836fff6f3d53ba59e638b417e81213' 
  AND (
    token = 'b+j4vVDzaBEgBIoDvT1R6PNQxEUYtTpznoi7xliLPMs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )