UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Br7ozLQOZrr2yp1FuH3IpgMfCzkJ/dRek8v6cCBLC1k=' 
WHERE 
  key_id = '4e99b7efd80df7d960bf98e6511d3029024af99e587d06ec605d78b6daa644e2' 
  AND (
    token = 'Br7ozLQOZrr2yp1FuH3IpgMfCzkJ/dRek8v6cCBLC1k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )