UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mXN2M2+77hCbOYnKWgeYAow3bG/01fOUnNq4zB+5Sj8=' 
WHERE 
  key_id = '6dfd1e1fccee3237d7dc9b4a3470d59861b8ee504dfdcaec725884b8aa2f3421' 
  AND (
    token = 'mXN2M2+77hCbOYnKWgeYAow3bG/01fOUnNq4zB+5Sj8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )