Some people will look for friend help, usually they are will take a night at friend place and the key problem still there, you can't enter the house in the morning.
You need locksmith, a professional helper that you can trust. You cannot accept help from someone you doesn't know about this sensitive things, because who know they will hijack your house next day or week.
Many people in America got this lock problem, you can do it yourself or call an expert.
They are confused and take a risk with something they are doesn't know. To make it easy there are few companies that you can call. They offer you a service 24/7 and also weekend and holiday.
Here is the Top 10 Locksmith in Bronx NY
Just like my previous post about exterminator bronx ny, you should save the info and save their phone number. In case you got this problem you can directly call them to make an appointment, and they will be in your place in second.
This save your life, less problem mean more enjoy to live your life.