This won't work if you sserver is in safe mode. But in the config file for phpMyadmin there is a max execuation time. Usually this is at 300 by default. Set this to 0 to turn the limit off. However if your server is in safe mode - this won't have any effect. But it's worth a try.
Donate to UBBDev today to help aid in Operational, Server and Script Maintenance, and Development costs.
Please also see our parent organization VNC Web Services if you're in the need of a new UBB.threads Install or Upgrade, Site/Server Migrations, or Security and Coding Services.