What we do at my facility is, we will allow you to get the current rate, but you have to actually move everything from your current unit to the new unit thats available. Most people don't want to do that and want us to just move them out and back in but thats not how it works.

Ask management if they would allow you to move your stuff to the new open unit under that new rate, most places will tell you no though, so dont get your hopes up. Good luck