UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SAoobv1aPBQfvMuwp69dIaRCVhnbtjdW+wYjbDcHlcs=' 
WHERE 
  key_id = '79377ba525be8b090a8300e5609c9b90910dcbb3e93f045daa8f5a60575735db' 
  AND (
    token = 'SAoobv1aPBQfvMuwp69dIaRCVhnbtjdW+wYjbDcHlcs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )