If you want to move from staging to production and you have only 1 instance then you can use your license key from Staging site and use it for production by using the following steps.
- Click on the Remove Account button from the Register/Login tab of the plugin in your staging site this will clear the license key of the domain.
- You can now enter the license key in your production site.
If the problem persists, please contact us at joomlasupport@xecurify.com or Click here to contact us for support. It would be helpful if you could share your use case with us.