UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q4U+BIMF+NnPrkq+sEuoN2EUuu4pl4DX+k1+Hv8mx74=' 
WHERE 
  key_id = 'ec4e10baa24df9f473dbd76a6abeedf24bb8a871d845e49f6de354dc17639e1a' 
  AND (
    token = 'Q4U+BIMF+NnPrkq+sEuoN2EUuu4pl4DX+k1+Hv8mx74=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )