UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/otxaXnn96i7cGKmOKZThceBz84uboT/ARex1mfgKhw=' 
WHERE 
  key_id = '8aad875df1ac46f0cbea355edad79536a744ffbd1f60a48e201f61fa178d69ec' 
  AND (
    token = '/otxaXnn96i7cGKmOKZThceBz84uboT/ARex1mfgKhw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )