UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'do4Jk8QhunQcTVdxfWY5Tg4QYJDiaaZv4H4AItUEj1s=' 
WHERE 
  key_id = '073678828ad9a17a4991c4e2cf4680d1b0e3edf351c8af4e552a0683414f7144' 
  AND (
    token = 'do4Jk8QhunQcTVdxfWY5Tg4QYJDiaaZv4H4AItUEj1s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034