Hello mms34,
If you have a full backup of the /usr/local/centovacast directory and the database, it should be as simple as replacing this directory with your backup and then restoring the database.
I would recommend running /usr/local/centovacast/sbin/fixperms afterwards to make sure permissions are healthy, however note that this procedure is unsupported and not recommended.
If you have problems with the latest version of Centova Cast you should open a ticket to our helpdesk.
HTH