UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ssIYoLAQtRoPYhOtX5Udt6+/uGMGExdG9R7teZkN+Bs=' 
WHERE 
  key_id = 'c77c3799470e41aeded6ae0e92889170ba04794ee1c391458c607bba65549444' 
  AND (
    token = 'ssIYoLAQtRoPYhOtX5Udt6+/uGMGExdG9R7teZkN+Bs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )