UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0xn94h7N8uEJXl+5iWtHl90i+GOJEBRcf9oclLcdgJk=' 
WHERE 
  key_id = '1a2a9f3baf13a0216a48b8c3dc90761fa38f2bd71aa4e200374602097b670064' 
  AND (
    token = '0xn94h7N8uEJXl+5iWtHl90i+GOJEBRcf9oclLcdgJk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )