In small microwavable bowl, microwave butter uncovered on High about 40 seconds or until melted. Stir in tequila, Worcestershire, lime juice, seasoned salt, chili powder, and garlic powder. Pour over cereal mixture; stir until evenly coated. Microwave uncovered on High 5 to 6 minutes, thoroughly stirring every 2 minutes. Spread on paper towels to cool, and sprinkle with the fresh lime zest. Store in airtight container.