UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vU4qRyU25SlDoiNaqXeiybJqhIDPkT4X3f8+V0iir4w=' 
WHERE 
  key_id = '2968efe1d338fa8e86e4ac9705931da858c8b9b190aa79944360a5c50b338943' 
  AND (
    token = 'vU4qRyU25SlDoiNaqXeiybJqhIDPkT4X3f8+V0iir4w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )