UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nzmW1pUqOiVGwNomea8P4bflpmgVQVzNnB9YZC5ziGM=' 
WHERE 
  key_id = '40d956d5f59921194097e467d5b760a0a33cb4eb85dc26512d91b6ec10767211' 
  AND (
    token = 'nzmW1pUqOiVGwNomea8P4bflpmgVQVzNnB9YZC5ziGM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )