UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DCvKlLXy4yldzRelMeFCHVAwffIJDE5nEMqycXSwtmU=' 
WHERE 
  key_id = 'a68e6467addf1425ccd88a7950e971f75c16745aec86772a1e5f061282b89257' 
  AND (
    token = 'DCvKlLXy4yldzRelMeFCHVAwffIJDE5nEMqycXSwtmU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )