Best thing to do would be to contact the online store directly, as a change of address can take sometme to filter through.
A couple of years ago our Bishop moved. This caused no end of problems with getting the Curriculum books delivered. It would seem that the delivery information was printed out, when the order was placed. By the time the Bishop had moved these delivery documents were out of date and the consignment went to his old address.
As a result of the debacle, being the Ward Clerk at the time, I opted for all orders to be sent to my home address, which is occupied during the day. Any item that should go directly to the Bishop isn't affected.