UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PORlgqNdyXK36YYW7tV6REKMi4b15J+hDgi6nouRHdI=' 
WHERE 
  key_id = '681746e06239013455b3774193b1fa1c531548ba74c219673d5cfddca900f05e' 
  AND (
    token = 'PORlgqNdyXK36YYW7tV6REKMi4b15J+hDgi6nouRHdI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )