UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4N/aAdMQ2SaFMtyWMUmr+bUiCYUGcInzZkj8NR6XsFU=' 
WHERE 
  key_id = '8e8b6e554a724cac82e207d8442bff505c7a5c080a9af3d09207962b2a464129' 
  AND (
    token = '4N/aAdMQ2SaFMtyWMUmr+bUiCYUGcInzZkj8NR6XsFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )