code: func (s *SQLStore) releaseDBLockIfOwner() {
  	s.dbLock.Lock()
  	defer s.dbLock.Unlock()
  	if s.dbLock.isOwner {
  		s.dbLock.db.Exec(sqlStmts[sqlDBLockUpdate], "", 0)
  	}
  }
docs: // Release the store lock if this store was the owner of the lock