UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VQpXCzX8diMX4pZVOOj/csdKFzLsYptijPuFT4qSDnE=' 
WHERE 
  key_id = '476c3e6ceba9f681f54073a4f93ab38c021135d56f570d662b14635ba641cfb6' 
  AND (
    token = 'VQpXCzX8diMX4pZVOOj/csdKFzLsYptijPuFT4qSDnE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )