UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZkYcpZuPQCQ+C8WIkCLfBjWw3vz9HUZCazGL9hzYbPk=' 
WHERE 
  key_id = '17503fde01022c43bc1f0ca4b1548be52d19414cad9be9c3f2a4e57a6067a1d3' 
  AND (
    token = 'ZkYcpZuPQCQ+C8WIkCLfBjWw3vz9HUZCazGL9hzYbPk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )