UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OblbN3iZ2tbbsdf7Nl4F+mMG/z5tTY99KEPYiITTunk=' 
WHERE 
  key_id = '38d54ba9e88f683238394d6cb15f5d83ce1877a96e858e93743e6cca35329524' 
  AND (
    token = 'OblbN3iZ2tbbsdf7Nl4F+mMG/z5tTY99KEPYiITTunk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )