I\'m following the Shopify instructions to get a permanent token for a particular app/shop combination (http://api.shopify.com/authentication.html).
I\'m able to get the
Once the code is used once it expires, you need to store the token or request a new code. In the logs one of your requests succeeded, then you continued making access token requests with the same code which failed because the code was expired.
Try requesting permission again and making the access token call with the new code that you receive. Make sure to store the access token because the code cannot be used again.