Combine honey, soy sauce, garlic, ketchup, and sriracha sauce in a bowl; mix well and set aside.
Place chicken pieces in a large bowl, add cornstarch, and toss to combine.
Turn on a multi-functional pressure cooker (such as Instant Pot(R)) and select the Saute function. Add oil until hot. Add 1/2 the chicken and cook for 3 minutes. Flip and cook 2 more minutes. Transfer chicken to a plate and repeat with remaining chicken. Pour chicken broth into the empty Instant Pot(R) and cook for 2 minutes, scraping up the brown bits with a wooden spoon to deglaze the pot. Turn Instant Pot(R) off. Return chicken to the pot and pour honey mixture on top. Stir to coat with sauce.
Close and lock the lid. Select high pressure according to manufacturer's instructions; set timer for 2 minutes. Allow 10 minutes for pressure to build.
Release pressure carefully using the quick-release method according to manufacturer's instructions, about 5 minutes. Unlock and remove the lid. Serve chicken sprinkled with green onions and sesame seeds.