commercial lease issue

[RyOlive]

We have a five year commercial lease with a property company owned by a bank. We have an SBA loan with said bank. They have pressured us to sell our business by tellling us that they would collect on the loan (even though payment has Never been late). In order to expedite the sale that they want they wrote another lease to the prospective buyer before anything has been sold so that he could obtain a liquor license more quickly. We found a signed lease by both parties (for a space we have a lease for) dated August 7, 2014 (we have 3 years left on our lease for the same location)Is this legal?