UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B4xXUqrzi9ZBgCc9vZQRaveL3FpncOIXzjhdcwwZkBc=' 
WHERE 
  key_id = '2e9c71d2826edfb9827461d55882ae92b426cde3d66034e955503a5794c39501' 
  AND (
    token = 'B4xXUqrzi9ZBgCc9vZQRaveL3FpncOIXzjhdcwwZkBc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )