Did you rub your lucky rabbits foot or find a four leaf clover?
Sadly, this is a matter of which is worse! Assuming the drink didn’t travel far and what it will take to at least clean the key mechanism of the sticky soda remains.
Or rubbing that lucky rabbits foot the key still works! And for the best just keep hoping things don’t get worse.
You may want to get a keyboard skin to protect things, you want the thinnest one possible as Apple has very tight tolerances.