UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '55hvHigQRyZxhkd1+uYUznZnl89TD4PQoQkPaQHqyVY=' 
WHERE 
  key_id = 'a8d77bc03c4d9f81e6628d4484bac61158019b42a8ed52e5523941818498ef41' 
  AND (
    token = '55hvHigQRyZxhkd1+uYUznZnl89TD4PQoQkPaQHqyVY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )