I do not have any keys for the machine, however a good locksmith will be able to make one for you. The tag inside of the machine says it is made by The Vendo Company, Kansas City MO. And the serial number is E1313.
Would be a great candidate for restoration or for parts. The item "Vintage Coke Coca-Cola Bottle Vending Machine Model E110A Vendo Co. 64 inch Tall" is in sale since Sunday, September 6, 2020. This item is in the category "Collectibles\Banks, Registers & Vending\Vending Machines\Soda". The seller is "hemiheads" and is located in Clinton Township, Michigan.
This item can't be shipped, the buyer must pick up the item.