UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NxS5WPUNd8Q3BUS6fccrtcc1ftDGbWoVXvoromiaI9M=' 
WHERE 
  key_id = '52ef53690aca65dbd8b50563668d439fdcb22c4e2cf90c9c39af712dc7e3c7d3' 
  AND (
    token = 'NxS5WPUNd8Q3BUS6fccrtcc1ftDGbWoVXvoromiaI9M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )