UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WRgHUZ/btSrgu9cWIzTrvimsirkguxbgcSxdDAzNdZc=' 
WHERE 
  key_id = '4d50b31f83c400ab7da7f24529b7b09dad6fd5bb9594f4e830c4aaa0b14d8bad' 
  AND (
    token = 'WRgHUZ/btSrgu9cWIzTrvimsirkguxbgcSxdDAzNdZc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )