UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TJt4wHM0QsuQAGmcCl2PTyBNMRzAdj4nLMsbMvhujG4=' 
WHERE 
  key_id = '2e93d434fb3662caa14767d9a0945923ad3de47689f05e941dfe01c0fced7c49' 
  AND (
    token = 'TJt4wHM0QsuQAGmcCl2PTyBNMRzAdj4nLMsbMvhujG4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )