UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ld+stIFyk77ss8vKywltAxB0mbKQVTw3pIP2nae591s=' 
WHERE 
  key_id = 'fa8535c6a58ad2846b727f02c7f6a59d0301cfab943e964933567b607a24dd63' 
  AND (
    token = 'ld+stIFyk77ss8vKywltAxB0mbKQVTw3pIP2nae591s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )