UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2Crc3r0RTRCHf8bPxaRKvT6aUprYG1JfA958Og+HZJ4=' 
WHERE 
  key_id = 'a4548e6a2fc17b5ecea5b346c4633c63758e869e04240d4255049056a9b753a3' 
  AND (
    token = '2Crc3r0RTRCHf8bPxaRKvT6aUprYG1JfA958Og+HZJ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )