UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/mRqSKYOgzd+wqi9vCclHO3UDoRep38aQXklF/h8TsE=' 
WHERE 
  key_id = 'b90ee30b930d8e8e1f0f06c5b4ee24c2980d2fde0d58647e793660927c1a06f4' 
  AND (
    token = '/mRqSKYOgzd+wqi9vCclHO3UDoRep38aQXklF/h8TsE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )