Answer

No, once the book has been issued to your account the due date will not change.

The only time a loan period of a book will change is if a resource is reserved by another user; the loan period will automatically change to a 7 day loan before you issue the book. This is to ensure the fair circulation of resources. Check your self service receipt for the due date (rather than relying on the label of the spin) and keep track of your loans online.