Node.js: serial operations with branching

I'm new to node.js and using it for a backend that takes data from syslog messages and stores it to a database.

I've run into the following type of serial operations:

1. Query the database

2. If the query value is X do A. otherwise do B.
    A. 1. Store "this" in DB
       2. Query the database again
       3. If the query value is Y do P. otherwise do Q.
           P. Store "something"
           Q. Store "something else"

    B. 1. Store "that" in the DB
       2. Store "the other thing" in the DB

The gist here is that I have some operations that need to happen in order, but there is branching logic in the order.

I end up in callback hell (I didn't know what that is when I came to Node.. I do now).

I have used the async library for things that are more straight forward - like doing things in order with async.forEachOfSeries or async.queue. But I don't think there's a way to use that if things have to happen in order but there is branching.

Is there a way to handle this that doesn't lead to callback hell?

Copyright Notice：Content Author:「Sean Lynch」，Reproduced under the CC 4.0 BY-SA copyright license with a link to the original source and this disclaimer.
Link to original article：https://stackoverflow.com/questions/32701949/node-js-serial-operations-with-branching