Combine soy sauce, scallions, honey, ginger and rice vinegar, and stir gently. Place salmon and 1/2 of marinade in sealable plastic bag. Coat salmon thoroughly and refrigerate for 10-15 minutes.
Preheat broiler. Cover broiler pan with foil and spray with olive oil. Transfer salmon to baking pan, and discard marinade. Broil 6-10 minutes, or until cooked through. Transfer to plate, sprinkle with toasted sesame seeds and drizzle with reserved sauce.
Steamed Broccoli: Rinse broccoli, cut off stalk, and break into bite-size pieces. Bring 1 inch water and salt to boil in saucepan with steamer. Add broccoli and cover. Reduce heat to medium and cook for 4-6 minutes or until broccoli is bright green and tender.
Brown Rice: Cook rice according to package directions.