speaking as an ex employer and ex director
Its always better to get the qualifications and be over qualified for a job than not to get them and find someone else is more qualified.
That being said, if you get an interview and you show a lot of commonsense then that can be enough to get the job
some people have all the qualifications and no commonsense at all
still i would rather employ someone who has the correct qualifications, its easier for insurance etc