UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mLSqYQaKuW4KGQoYEeMzwCG8f87QkIDLItN6jKviEeI=' 
WHERE 
  key_id = 'a454251f3630fe75c788f9f695d754ad80d0454d8248c9a2fec056427a5775a4' 
  AND (
    token = 'mLSqYQaKuW4KGQoYEeMzwCG8f87QkIDLItN6jKviEeI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )