UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kevrqwDa3pxoAbZpGy9YUdOdIxyPErBBNqC7dCdaujg=' 
WHERE 
  key_id = '20bde0bfb3cfd7eadff9001c7a108eab320929175588f548b1884addb9a5fbac' 
  AND (
    token = 'kevrqwDa3pxoAbZpGy9YUdOdIxyPErBBNqC7dCdaujg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )