UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kKoG7uXhAJsOl9Z6rmegl5UBa6ElD/cBCRItkgRrjTU=' 
WHERE 
  key_id = '570ec95cc7b984599b5fc388527d592edda81c54719b861d07d28e70a276f51f' 
  AND (
    token = 'kKoG7uXhAJsOl9Z6rmegl5UBa6ElD/cBCRItkgRrjTU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )