UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nJLKOdlSGSzzIOt9nm2e01BkPfbF0bptHZp+a4X0pKk=' 
WHERE 
  key_id = '328f2eb8cbc27bedb4d8749c03b496bd5623a7da1d77994201387d05e2491978' 
  AND (
    token = 'nJLKOdlSGSzzIOt9nm2e01BkPfbF0bptHZp+a4X0pKk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )