UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b7A1n+kv0lKAWiQIZfGWgslcKUTM24vM1kXrJB+DPM0=' 
WHERE 
  key_id = 'ef9a935143b8a7f1e65021a6d4bcdc6347638a167845d0ad1734dad12b3cb65f' 
  AND (
    token = 'b7A1n+kv0lKAWiQIZfGWgslcKUTM24vM1kXrJB+DPM0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )