UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zgm5iUFrgNJYXL16bPpH65E5xKy0ZlNmmRfnVUgvbFU=' 
WHERE 
  key_id = 'a2d1a7a60133b2970751a8e661dfc93a912a3d5883a3ba2134b15fe8c78d36a9' 
  AND (
    token = 'Zgm5iUFrgNJYXL16bPpH65E5xKy0ZlNmmRfnVUgvbFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )