UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UeI+oLEDUDI0aOk0Zv8ZhkQLOvshpw1jxAk+ccF8n1c=' 
WHERE 
  key_id = '52fc449775ff69c0737ac63b859c98471a63f12e2cf5fa2220107b9124ca1141' 
  AND (
    token = 'UeI+oLEDUDI0aOk0Zv8ZhkQLOvshpw1jxAk+ccF8n1c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )