UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g1oC7j7pg3+0rlYk678HxOYYyi5vT7Bh1RJzAskw4Vk=' 
WHERE 
  key_id = '4483f0f2fefde738d987c75605e30fd166a66a1fea789f57fb9b4445b65af138' 
  AND (
    token = 'g1oC7j7pg3+0rlYk678HxOYYyi5vT7Bh1RJzAskw4Vk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )