UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1nJqExMAzz6BLe9EGkDyJvkvGgWXhvbHspujs3D0MPc=' 
WHERE 
  key_id = 'e01e1d279c49755f882aaef0f247c4628215639f9f76900c5660da95565e6441' 
  AND (
    token = '1nJqExMAzz6BLe9EGkDyJvkvGgWXhvbHspujs3D0MPc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )