Advance Parole

As I've explained before. I applied for AP employment purpose sept 12th, scheduled departure is 1/6/17 through 1/19/17. On Dec 19th I called uscis with a tier 2 agent and asked to expedite application, on Dec 23rd expedite process was denied, not sufficient evidence to expedite, I was told. I was super bummed out, today I decided to go to my local uscis office in DTLA and do a walk in. I was there at 6am lined up, I went with evidence to try to have an emergency or expedited process again, everyone there is so intimidating except for one or two. Long story short, they could process my application there either!! To my surprise she told my application had already been approved since the 21st of Dec, I was never god when I called on the 23rd. The status online hasn't changed either, she said it would take 7-10 business days to actually receive the document. I'm worried! Is it possible that the system online hasn't updated? I'll be so happy until I have the documents on my actual hands.