UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ns61U0ORm++23bZspVc4JZEWKvj+Op2CRxNKrqI3lWw=' 
WHERE 
  key_id = '7216358c8c0ff2dcaed0c045f81168ff58a038fab27abc1c98ab3eac3b67948d' 
  AND (
    token = 'ns61U0ORm++23bZspVc4JZEWKvj+Op2CRxNKrqI3lWw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )