UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JmBoe9Om0nNIXEoGWqK/dnCqRYI5BULYMCzX2mKt6Yg=' 
WHERE 
  key_id = 'c803d3d0f6f469d09997aae6acad3808cd766ea36aa5804e24d619f4dedd3394' 
  AND (
    token = 'JmBoe9Om0nNIXEoGWqK/dnCqRYI5BULYMCzX2mKt6Yg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )