UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Tct9UGmuF/6PiDbi7kceS07qUZK+tkU2y1I1NUglJ84=' 
WHERE 
  key_id = '3a7f683eb686a81120b43b6d29d476da080951a8aa48e1cbfd94fb40b5d0e616' 
  AND (
    token = 'Tct9UGmuF/6PiDbi7kceS07qUZK+tkU2y1I1NUglJ84=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )