UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/+hp4tzY616/xLFc+j56PpC84udlj7eYpUKJqbiuG9c=' 
WHERE 
  key_id = 'd0845d70fc903d6aca74cdf46fbdd77be2f4353a2eb990f6bb7de49688258ea9' 
  AND (
    token = '/+hp4tzY616/xLFc+j56PpC84udlj7eYpUKJqbiuG9c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )