UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xtpylsf537Ol4iVWzBbvBbOGGXIM42EmBcshUO2Sk+E=' 
WHERE 
  key_id = '399c143ebfd1da8a5c60c438535161abce32b78f9297df5430d207e90c68ad9f' 
  AND (
    token = 'Xtpylsf537Ol4iVWzBbvBbOGGXIM42EmBcshUO2Sk+E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )