text: --
  INSERT INTO subscription
  	(topic_id, callback, verified, expires, secret, http_remote_addr, http_from)
  VALUES
  	($(topicId), $(callback), now(), now() + ($(leaseSeconds) * INTERVAL '1 second'), $(secret), $(httpRemoteAddr), $(httpFrom))
  ON CONFLICT (topic_id, callback) DO UPDATE
  SET
  	verified = now(),
  	expires = now() + ($(leaseSeconds) * INTERVAL '1 second'),
  	secret = $(secret),
  	http_remote_addr = $(httpRemoteAddr),
  	http_from = $(httpFrom)
  RETURNING id
  