Here's a mustard / vinegar based BBQ sauce that works well for me.

1 ½ cup cider vinegar
1 cup yellow mustard
½ cup ketchup
1/3 cup packed brown sugar
2 garlic cloves, smashed
1 tsp. kosher salt
1tsp. red pepper
½ tsp. ground black pepper
Pan drippings from pork. (I use a couple of country style ribs).

Combine all of the ingredients (excluding the pan drippings), in a large saucepan over medium heat. Simmer gently, stirring occasionally for about 10 minutes. Take off heat and set aside. Pan fry your ribs. Then, deglaze the pan with cooking wine, or any wine. The idea is to get the drippings scrapped off the bottom of the fry pan. Cook this down to about half, takes 5-10 minutes over medium heat. Add the drippings to the sauce and stir well. That’s it.