UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/lTiIBjm4yKZbj2i93XHeNjy3w03jLxb5+ADa3pfBtc=' 
WHERE 
  key_id = '500ebe715b8b2029c86fdaf2dccda451886544685e4fa7d2ba2f44d7b3d00082' 
  AND (
    token = '/lTiIBjm4yKZbj2i93XHeNjy3w03jLxb5+ADa3pfBtc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )