UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rJEY33o8xF8Rpnn3XCylXHfAfpt6sjvf8orN3CSIQHk=' 
WHERE 
  key_id = 'c91f66989c41c87ce570d1a9d7d6ae3147908cea88b295e5dff669172776e62b' 
  AND (
    token = 'rJEY33o8xF8Rpnn3XCylXHfAfpt6sjvf8orN3CSIQHk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )