UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ugSpIwdW57Mq4BHOnJe/yanYvws65KmS0BV4ujTNuFo=' 
WHERE 
  key_id = 'c1cfaab63d3ef2ccef76a3213988a6837358a94a58c553e4755b8fe650af66b7' 
  AND (
    token = 'ugSpIwdW57Mq4BHOnJe/yanYvws65KmS0BV4ujTNuFo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )