UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qe2c4qV+bVQDbHhBCtrP27ZfVtZGok9kXje1R98FrmU=' 
WHERE 
  key_id = '259d19679e4b357a0bb05809f0371f0bc14795a36c6c7ac1c5e0f83ee663a1e4' 
  AND (
    token = 'Qe2c4qV+bVQDbHhBCtrP27ZfVtZGok9kXje1R98FrmU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )