UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9zhKPJ6+G4iIbvmug9JSgxi/LWPvtWakyDMIqy0nIrI=' 
WHERE 
  key_id = '3a92727551d613a30c16ee3cc102a0796e9e41b9b49e6095f1b5831bdd483cc2' 
  AND (
    token = '9zhKPJ6+G4iIbvmug9JSgxi/LWPvtWakyDMIqy0nIrI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )