I94 extension for H4 EAD without valid visa at MEX border

Guys need some info on the i94 process at MEX border, if anyone or any of your friends did something like this. Thanks :pray:

Is it possible/safe to get an i94 extension(for H4 EAD purposes) with the spouse’s H1 797(approved till Oct 2025) at the Mexico border? But she don’t have a valid visa, adding the current status for more info

Current Status
Spouse H1 - Approved(Valid till Oct 2025)
Current i94(in i797) - Valid(Only till Oct 2022)
H4 and H4 EAD - Have receipt for applications done on April 2022
Passport - valid till 2025

H4 Visa - Expired(May 2020)