Simply run this command via SSH with Root.
If you get a error 7, you need to turn on DAILY BACKUP in your CWP (/index.php?module=backups) then try again.
/usr/local/cwp/php54/bin/php -d max_execution_time=1000000 -q /usr/local/cwpsrv/htdocs/resources/admin/include/cron_backup.php