UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tgud4h4Ath3VXutu6q3jeveldir/jORh1qiJiZ4D8KY=' 
WHERE 
  key_id = '2f4642b7830c008f27135b30e8e054759d57447894c669d3036d3b27bd3e0500' 
  AND (
    token = 'tgud4h4Ath3VXutu6q3jeveldir/jORh1qiJiZ4D8KY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )