UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k21oudkwDUG4ywaAm2G/0zX0cYIQ1pGXotcapfoNLfA=' 
WHERE 
  key_id = '52de8b0d08f7d53fc0207a6cba048ae55e9d6227652178c0604e404259b5f59b' 
  AND (
    token = 'k21oudkwDUG4ywaAm2G/0zX0cYIQ1pGXotcapfoNLfA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )