UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uHBwA0kORtQHtgHNy1rDMMdErHMYc5+1eav3i08T+gA=' 
WHERE 
  key_id = '3f569d24a94a04aa7834f4a474ef2b4fbf23f5d5c7da027e5d0731fdcfed45cc' 
  AND (
    token = 'uHBwA0kORtQHtgHNy1rDMMdErHMYc5+1eav3i08T+gA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )