UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a68+MJddJ36DhPVRjr7ufEdY4zlgChTmHMKE7qUO8zQ=' 
WHERE 
  key_id = 'aac57e7fed9e9463a82e547bbe01ab6670709406fd2c34978b4889d3f5159f82' 
  AND (
    token = 'a68+MJddJ36DhPVRjr7ufEdY4zlgChTmHMKE7qUO8zQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )