UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qOuL3zEp5PsOZDTUpkj+aifblIcJhp1rfOXen7C8Q4Q=' 
WHERE 
  key_id = '8df9f3ff9f06cd4ef17fdf0972567d3da2e0b471faff178d31ed65d8ce505731' 
  AND (
    token = 'qOuL3zEp5PsOZDTUpkj+aifblIcJhp1rfOXen7C8Q4Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )