No. When you change the Expiry on a redeemable, it only applies to guests that receive the redeemable after the change. Punchh and the business must honor the redeemable Expiry as it was originally received by the guest.
Disclaimer:
In an effort to supply information as quickly as possible, this article has been published prior to a formal technical review, and is subject to factual, grammatical, and various structural errors. Data may be incomplete, misordered, or incorrect.
This additional disclaimer will be removed upon formal review of this article. The standard Punchh Inc. KB Disclaimer still applies, and can be found at: https://support.punchh.com/hc/en-us/articles/360040100273-Punchh-Inc-Knowledge-Base-Disclaimer