I once considered applying for a job that would have required a huge amount of horrible work - very long hours and not so interesting travel - just because it paid enormously. In the end I did not apply. If I had applied it was the kind of thing I expected to only stay with for 1-2 years.
If you are going to do something like this I think you have to look at it as a stepping stone. Will doing that job for some period of time put you in a significantly better position for the next job than you are now. "Significantly better" is vague but you'll need to determine that for yourself. It may not be just financial.