UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H8/1he5rq1d1VeIgmSf93Ca0NW5BNehvTJrAB5MJ1tU=' 
WHERE 
  key_id = '5095bdc8c3b6b324bb379fa16fe7ef51e263d36613da74e5dc3f1c51cb2c1b82' 
  AND (
    token = 'H8/1he5rq1d1VeIgmSf93Ca0NW5BNehvTJrAB5MJ1tU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )