Locks Manager

static LocksManager locksManager = new LocksManager();

Sync:

using (locksManager.Lock("your key"))
{

}

Async:

using (await locksManager.LockAsync("your key"))
{

}

Set lock timeout:

using (await locksManager.LockAsync("your key", TimeSpan.FromSeconds(2)))
{

}

Get lock handler:

using (var handler = await locksManager.LockAsync("your key", TimeSpan.FromSeconds(2)))
{
    if (handler != null)
    {
      //lock is taken
    }
}