UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6MT/kvRRuFj5TCnq4A5H76hTel9z70GpGzQGINSv8+k=' 
WHERE 
  key_id = '4a6030d55c1d0fce8959a5ef4a8b63cbec305659ad8ca2fc111561994066e41b' 
  AND (
    token = '6MT/kvRRuFj5TCnq4A5H76hTel9z70GpGzQGINSv8+k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )