UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TQoianOby/nvmhkriUwBlG+LEIn/z1vJgsGUVUcDg7k=' 
WHERE 
  key_id = '18d6cecd3b46ad50f5d05cf53ac8cab1bf25e4a2d54c07ee1852fa94fe6bbf06' 
  AND (
    token = 'TQoianOby/nvmhkriUwBlG+LEIn/z1vJgsGUVUcDg7k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )