UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/h8xfETdKttBwogXLRPEcFCNc33/0A0reBh0x23HMgc=' 
WHERE 
  key_id = '9f2b114fde86e3120bd5390538305a2942e8f07d3ef63f193e481d568c922ec3' 
  AND (
    token = '/h8xfETdKttBwogXLRPEcFCNc33/0A0reBh0x23HMgc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )