UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0NZEdgYCMlLunvpaVgSBw0C+UjQ+K7K63SRLIzZv/n0=' 
WHERE 
  key_id = '8b68a2a41a8223ec1813bb5f955b1a2f8a2330d103ff36a3e4df8ddb03790320' 
  AND (
    token = '0NZEdgYCMlLunvpaVgSBw0C+UjQ+K7K63SRLIzZv/n0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )