UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8DeEIofKbZP+gnlsLiUDQsEqukIxF3h5V+4H88LcVn4=' 
WHERE 
  key_id = '81377c483400fa1fbf6d4f39ef54ad9ee57896bce190130ab5512281b1e91d71' 
  AND (
    token = '8DeEIofKbZP+gnlsLiUDQsEqukIxF3h5V+4H88LcVn4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )