UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'asVzn7lmozc6qOtvMMKHe02pkXPS1J9wf/aUHRbi9pk=' 
WHERE 
  key_id = '55444b8a41241d5aece60bcee9aefeffce4c97a726405d2af6734214de1cd6c0' 
  AND (
    token = 'asVzn7lmozc6qOtvMMKHe02pkXPS1J9wf/aUHRbi9pk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )