UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kvh3lNT/FixBMq7+xqjFEmGXQqiduBla39kkXvoznOc=' 
WHERE 
  key_id = '6ac5be33e39149948caeb645c2b3012b26f04e169922f0a5bb57de32502d1e7f' 
  AND (
    token = 'Kvh3lNT/FixBMq7+xqjFEmGXQqiduBla39kkXvoznOc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )