UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SvegpNmilvQU/DbNNf+yJeHGawEfqtuOkN/EPLHiHKE=' 
WHERE 
  key_id = '1f768060e6d175171ee91b2ba12283ee9ea1451d8d7028820181b21643f4fe51' 
  AND (
    token = 'SvegpNmilvQU/DbNNf+yJeHGawEfqtuOkN/EPLHiHKE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )