UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AhV1+udYtvApPkdUCtViHWO4d4iOVfgw1RJtkVNyvLk=' 
WHERE 
  key_id = '8d4cd82c1a8338a898bfd75ff380b121a474ee16a1c7e438eedb6847bd65d56a' 
  AND (
    token = 'AhV1+udYtvApPkdUCtViHWO4d4iOVfgw1RJtkVNyvLk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )