UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QCyh3Cvx6PeTYAt2tKuSIYpi7T/0KgNVPkjHIR44Q+I=' 
WHERE 
  key_id = '87f306aafab6c1c001e7a3a7827bf291b1103726c640376838a9102e42bc6c0d' 
  AND (
    token = 'QCyh3Cvx6PeTYAt2tKuSIYpi7T/0KgNVPkjHIR44Q+I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )