UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DcQdSAgpMWPNua8nR+iHskJs2ONk2Ky0mSAz+7ZZo/I=' 
WHERE 
  key_id = '8ea8e3b51ab6e4d69225d8fc6ca2ba6d7548372b577cf979694a8ec71eaca0ec' 
  AND (
    token = 'DcQdSAgpMWPNua8nR+iHskJs2ONk2Ky0mSAz+7ZZo/I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )