UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6wP5FD7siL4DQMO8YrMH5njPEhuIM9T0jZhNR3hflv4=' 
WHERE 
  key_id = '2fe489d11417325579e2671fcdbd3aa27e6f30b445cd6e941548ec0d92fb318f' 
  AND (
    token = '6wP5FD7siL4DQMO8YrMH5njPEhuIM9T0jZhNR3hflv4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )