UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'obpx+VP6R8PuRsdpHKcArgOv9tAnkuGI74eX+AgyEQM=' 
WHERE 
  key_id = 'b49fbc2c196af83da5802cb5a8ad7e17b0884c05f854d214176f2058280dc815' 
  AND (
    token = 'obpx+VP6R8PuRsdpHKcArgOv9tAnkuGI74eX+AgyEQM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )