UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LxGPpFo5l2iYyhmc867oGgFHh7Cvz+y5co0rCWMi95A=' 
WHERE 
  key_id = '1c6b0f7af43a0de0975a70c1910083480f283f9345333e784365b7f9a675f666' 
  AND (
    token = 'LxGPpFo5l2iYyhmc867oGgFHh7Cvz+y5co0rCWMi95A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )