UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VOZ2uKedgt+DpXoQXmQkA0fX73YNr1lyvbTgUWsn2qo=' 
WHERE 
  key_id = '51a8f0d0f4fcdb10eda963fb5a90a6e88f6c42373408a20e996ab14481c65f2f' 
  AND (
    token = 'VOZ2uKedgt+DpXoQXmQkA0fX73YNr1lyvbTgUWsn2qo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )