Change it to a drop off location the item will need to sit at to gain points. The point system is set to the 'Tug of war' points system you see in the TDM missions with the green and red bar. This could also just be separate point pools
After a certain amount of points are gained, say the location only gives up to 50 pts shared between the teams to take, the location will change and the objective item will need to be moved.
Over time, if the item is not dropped in the currently set location,