UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qZ5XlGVD79pkBMCjLMwhBUe4bBscTxm/10fDKzUNaQQ=' 
WHERE 
  key_id = '27316fe4100f8e8545d4b06aff1e1444441c1206b32f97898ec544c5b8fc3582' 
  AND (
    token = 'qZ5XlGVD79pkBMCjLMwhBUe4bBscTxm/10fDKzUNaQQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )