UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ek94ElWPmyDnpecvTdSa+LL3Jk0zlMudvx/Ksf6nVm0=' 
WHERE 
  key_id = '4ffd192081afcab685528f59825e9c1789703ee39db98b5f3ed0811cdc88950c' 
  AND (
    token = 'Ek94ElWPmyDnpecvTdSa+LL3Jk0zlMudvx/Ksf6nVm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )