File your i751 package within 90 days of the expiration date of your original green card 2 years after the conditional green card was issued. Your i551 stamps have no bearing on when you file the i751 to remove the conditions on your green card.
So you need to file a joint i751 application package the i751 form, bona fide marriage evidence, and the filing fee sometime in October of 2022 or later within 90 days of the expiration date in January 2023 on your original green card. Nothing else changes the filing date required for a joint i751 filing date however, a waiver i751 cases can be filed at any time.