I just had MS segment our Dec. reservation to accommodate 2 days of DxDDP in the middle of our trip. I know we have to check in & check out to get new keys. My question is what happens on the last day? We're adding the plan for 12/23 & 24. I plan to use my credits up until midnight on the 25th. So on the 25th I need to check out & check back in again for the remainder of our stay. Will I have 2 sets of keys for the 25th? One that has DP credits on it & one that is just a room key?