UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IT+Av7BJ6DjGHrNpT8GHXQXpfxx/z2sW3ba/6cmJNWs=' 
WHERE 
  key_id = '0ae5d1be2d3f5a57405b30383d98a35a1cd04fe8f40cc7c904140f8ea5fde394' 
  AND (
    token = 'IT+Av7BJ6DjGHrNpT8GHXQXpfxx/z2sW3ba/6cmJNWs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )