UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xLkVRglz4d5dF2y8l65APAjrAzX6TjmfKVf0GIUYvaA=' 
WHERE 
  key_id = '8279822f36d456f2f7a4abe1d4652dc4e0f125b21a9014a50328e56fb86e27c8' 
  AND (
    token = 'xLkVRglz4d5dF2y8l65APAjrAzX6TjmfKVf0GIUYvaA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033