UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k+N7nHCaYmhebcwz5txGF7FFy9II7FLrU/1ocOhAt+Y=' 
WHERE 
  key_id = 'a6eadc8d00985de1d366128d634fec83b85af8fa3c1eff86ae4761d37d8fd48b' 
  AND (
    token = 'k+N7nHCaYmhebcwz5txGF7FFy9II7FLrU/1ocOhAt+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )