UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'znCe3z8QrmPn2oQh2RAmFN8YpHpfhCbS2n/zfw4tfxU=' 
WHERE 
  key_id = '27a3b199d00f373c2ec43840214faa86f32a898399257042dbdad1f1417aa058' 
  AND (
    token = 'znCe3z8QrmPn2oQh2RAmFN8YpHpfhCbS2n/zfw4tfxU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )