UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KjiFFqrF4sjrGCy43gItyefcTHoOqdzMIkdu7k1nBdc=' 
WHERE 
  key_id = 'dc24cba4a70cfdb3fae3038b7bf25d0fa93f46b75b670e2d0045ed883a2339a6' 
  AND (
    token = 'KjiFFqrF4sjrGCy43gItyefcTHoOqdzMIkdu7k1nBdc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )