UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FjTE9LoNLtwjIoeG8IHHjyppQzmkGP7FqN/+LV/SwWQ=' 
WHERE 
  key_id = '48f3eb13312f611a71a27cadb2a9ac49d1a9fdbf5aa9f7af35792aafbd179e2f' 
  AND (
    token = 'FjTE9LoNLtwjIoeG8IHHjyppQzmkGP7FqN/+LV/SwWQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00058