quantum computers, at best, divide the bit-strength of a symmetric key like AES in half[1]. Brute forcing a 128 bit key is theoretically possible (in the sense that you can do it if you marshal the entire world energy output to the cause, you could crack 1 key/yr), but not a 5 minute process.
[1]https://en.wikipedia.org/wiki/Grover%27s_algorithm