UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XAINDg8URFdIBh1MLN7okurM1rwKWqdBoCW7zoeYy2Q=' 
WHERE 
  key_id = '4ab79024b4f64e07d4c7046af957d7736c084498a3f3b738cd1d56859dc4a742' 
  AND (
    token = 'XAINDg8URFdIBh1MLN7okurM1rwKWqdBoCW7zoeYy2Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )