UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nEVKKAMMeS5mcdyLc0hacNvnkXOB47SzPAh5xPya/k8=' 
WHERE 
  key_id = '5f657f44803030f5506b4bc7b2bb004517ad092b89463b12d1d2dfe9f6c15e76' 
  AND (
    token = 'nEVKKAMMeS5mcdyLc0hacNvnkXOB47SzPAh5xPya/k8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )