Stir together first 6 ingredients in a shallow dish or large zip-top plastic bag; add chicken. Cover or seal, and chill 30 minutes, turning occasionally.
Remove chicken from marinade, discarding marinade.
Thread chicken onto skewers, and sprinkle with sesame seeds. Arrange skewers on a lightly greased 15- x 10-inch jellyroll pan.
Broil 3 inches from heat (with electric oven door partially open) 5 minutes on each side or until done. Serve immediately.