Of course, just do it the same as any other game. In the PlayerController event graph is all the input bindings. You will want to create a bool for isWASDMovement or something to just have it accept WASD movement when this boolean is true and continue to use the click to move logic when false. You can easily toggle off the click the move without interrupting the click to interact code.
In the picture below I have selected the branch statement and following move related nodes.
