Cook rice according to package instructions, fluff, and keep warm
In a bowl, mix soy sauce, honey, brown sugar, vinegar, garlic, and ginger until combined
Cut chicken into even bite-size pieces and pat dry
Heat oil in a pan over medium heat and add chicken in a single layer
Cook chicken without moving for a few minutes, then stir and cook until fully done
Add broccoli and carrots, stir gently, and cook until slightly tender
Pour sauce into the pan and mix to coat chicken and vegetables evenly
In a small bowl, mix cornstarch and water until smooth, then add to the pan
Stir continuously until the sauce thickens and becomes glossy
Reduce heat and let everything simmer for a few minutes
Serve over warm rice and add toppings if desired