@geckogully
Could you please elaborate on the process of re-saving permalinks? I think this is the issue for me because I recently switch our site from http: over to https:. Now all orders are stuck in "pending" status, and woocommerce emails are not being sent to us or the customer.
The only reason I know of a sale is I still get the email notification from paypal saying I've received payment. This leads me to believe the issue you were having with the identity token is not the case for us.
I've been using woocommerce for over a year now, and this is the first this has happened. I'm rather positive about the issue occuring due to the http: / https: switchover.