UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uavNVWDq6Af3YPAXP7vW6AK/gM4+provJsCQbpoSIP0=' 
WHERE 
  key_id = '6911c2c48b67858c0523545775b230203cf9adc8ccaf979c1a4c2f2c38f0d81d' 
  AND (
    token = 'uavNVWDq6Af3YPAXP7vW6AK/gM4+provJsCQbpoSIP0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )