UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h+KPWWrjAfBmrX8FGyneaY4FfNnFNwyxp6iZpnlU6vI=' 
WHERE 
  key_id = '6a1a9e84f010192e8a2e33f4640954245e87ab7782b68f166da8352ca591d429' 
  AND (
    token = 'h+KPWWrjAfBmrX8FGyneaY4FfNnFNwyxp6iZpnlU6vI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )