MOBILE ONLY:
1. Tap on the 3 lines icon in the top left of our homepage
2. Tap "Login / Sign Up"
3. Enter in your login credentials. The email MUST match the email you used when you placed your order
4. Tap on Billing Information in the left toolbar
From there you will click on "Update Card" underneath your current payment method. On the next screen enter in your new card information and hit save.
It takes several minutes for the system to update, so do not fret if the system doesn't update instantly.