The saddest part is that your salary didn't increase much in 5 years? Going from $60k to $70k to 53k euros over 5 years is pretty much tracking inflation. Over 5 years, my salary increased by more than double your entire salary.
You should ask for a raise from time to time or get a better paying job. Especially since DBA/data scientist along with computer security developer/engineer were some of the hottest fields in tech the past 10 years.
Some people can spend a month reading "SQL in 21 days" and get a higher salary than you in many places.