UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DlOakpHphHZbJ1GEB9PslyKVgokm66QxXZnNjZHdImU=' 
WHERE 
  key_id = '235b9e4811a40e14727c52287b972f9a4e802bc6433520800e75a4625b2215f6' 
  AND (
    token = 'DlOakpHphHZbJ1GEB9PslyKVgokm66QxXZnNjZHdImU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )