UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6vBlLacDUjWxKCsBJCvy8vh00FRGBL7WV9BYG1IpD7Y=' 
WHERE 
  key_id = '4d673c1244063734ab706ab080ab183e24cea20023fe21b9ec8806878f708b4e' 
  AND (
    token = '6vBlLacDUjWxKCsBJCvy8vh00FRGBL7WV9BYG1IpD7Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )