UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pe5KB91cmp0y7ATpssL6qc+TP/aS6nTEIf4Au0iSQiI=' 
WHERE 
  key_id = '5bc1b921af8310f941dd5b20aa854cba83cb461d96e24ea5f9e5a34c63e4fded' 
  AND (
    token = 'pe5KB91cmp0y7ATpssL6qc+TP/aS6nTEIf4Au0iSQiI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )