UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Aouk5waFfVmwy+xtzo0JtwCxDcdkMWPhvee2ksaZo3Q=' 
WHERE 
  key_id = 'c986b635a210e0297b73df13771c60477190ef166ce4ec7a64035d0eb648baf6' 
  AND (
    token = 'Aouk5waFfVmwy+xtzo0JtwCxDcdkMWPhvee2ksaZo3Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )