UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't3PXxcGMBGGi8/ilLvsMxBl0cvkqrL2V9nbt5MURlhQ=' 
WHERE 
  key_id = 'e3e5601eff58fcfdeebe69063de197a5f7d9ec19910257cde119ffaa5ed837a3' 
  AND (
    token = 't3PXxcGMBGGi8/ilLvsMxBl0cvkqrL2V9nbt5MURlhQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )