UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yb8t4z0p8xSfSW2XT7nJeGmPRUGYLASquw1IUCbtAtc=' 
WHERE 
  key_id = '6fd221e92c71db33b8be9b113d13f9642354df281d27673da8e67b6d1552119f' 
  AND (
    token = 'yb8t4z0p8xSfSW2XT7nJeGmPRUGYLASquw1IUCbtAtc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )