UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3erLXSnTQODNpGFnzrzZsPkagaG2r1PLPD1fgHsyfmc=' 
WHERE 
  key_id = 'e75a5aa18b83cfe32340744ba5f7c47d40e01c1d49779266c6dd704874781387' 
  AND (
    token = '3erLXSnTQODNpGFnzrzZsPkagaG2r1PLPD1fgHsyfmc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )