UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '84K4dPsEBCbfAYj/Q+8pUrgOLbbR73xE8FDB4ILllBk=' 
WHERE 
  key_id = 'c422ac8df00b35a211946df925ec128203dfd2c05a71ded3c6de61e316f1fde3' 
  AND (
    token = '84K4dPsEBCbfAYj/Q+8pUrgOLbbR73xE8FDB4ILllBk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )