UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fbDNT3IY0Zk21XpXjl0Fr+qRpKFaMlkIOylU0VDUW4A=' 
WHERE 
  key_id = '042a3957cec4c213f6c4048b9f5ca7407c1ed075e05e9a72fbc65346d0fa2cdd' 
  AND (
    token = 'fbDNT3IY0Zk21XpXjl0Fr+qRpKFaMlkIOylU0VDUW4A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )