UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HD5yr2DbyjsLpELJZrTFdyfy1OuUbUtHftD1A6wmBaY=' 
WHERE 
  key_id = '5f47c0568d1dd004eddae37d335a06b78156a6178b1d4463034235204085ee29' 
  AND (
    token = 'HD5yr2DbyjsLpELJZrTFdyfy1OuUbUtHftD1A6wmBaY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )