UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DQWgxsXqtK7++bfrEegOoJUZD5PxcrsfmvwRWGw+Owk=' 
WHERE 
  key_id = 'e49a8ec85c5a4159bba1713c8af29792f4b482ed582a485f979ca713e67e534b' 
  AND (
    token = 'DQWgxsXqtK7++bfrEegOoJUZD5PxcrsfmvwRWGw+Owk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )