UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CpW86AOPdxiP/ISmhnSyxd9n+vqhRdiHsU8PkRLyeUE=' 
WHERE 
  key_id = 'b6f16a4808ba1010b47d74f3bae55e4e9eff57955ce48c90195b91b563152087' 
  AND (
    token = 'CpW86AOPdxiP/ISmhnSyxd9n+vqhRdiHsU8PkRLyeUE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )