UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7xZ8N1QkxMTi2PL5fY+6TDc1CGmBj0LsdPPvXx/Cq+k=' 
WHERE 
  key_id = '4df101f275dd2d4155467159bb409354f04c1fb22e4ff1923f331b633ee3599d' 
  AND (
    token = '7xZ8N1QkxMTi2PL5fY+6TDc1CGmBj0LsdPPvXx/Cq+k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )