UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g9bWpE8+CwEgs5qlzHSMcHKC/Y/whTWNSOgA0AJwjbo=' 
WHERE 
  key_id = '5cb8dbac524dc3f6615b7ca3d18fc97a8142cfcc53ff229a2c0c84bf594dcc0b' 
  AND (
    token = 'g9bWpE8+CwEgs5qlzHSMcHKC/Y/whTWNSOgA0AJwjbo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )