UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4MEkCiJLjOU/aEzqbPzGkXdccLhZOhVTFMYFqK5go9w=' 
WHERE 
  key_id = '79f0e281ce3ace651e0863859520c8ec6b3ff6ddc1f25a3f359d5c2b1cde4960' 
  AND (
    token = '4MEkCiJLjOU/aEzqbPzGkXdccLhZOhVTFMYFqK5go9w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )