UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ltVC75XtaWrpqF9bGYXLURN0WGpufo41LkkZRlx0uMA=' 
WHERE 
  key_id = '437713729c2b05a26a9a9a410b1f30d78b42b3f29cd7a715f47d5894e545e288' 
  AND (
    token = 'ltVC75XtaWrpqF9bGYXLURN0WGpufo41LkkZRlx0uMA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )