UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MiGzSAHJatFMgUaN84z1J597Z0btgEnS0HcI/eUv/LY=' 
WHERE 
  key_id = '4a1748c1b8bd52751112494f6eff6d39b07541d1ba0556de790f8293a4985326' 
  AND (
    token = 'MiGzSAHJatFMgUaN84z1J597Z0btgEnS0HcI/eUv/LY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )