UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zzyvPZE10QXFRNNFZRpP6pzJ5GdDCCiX56eFizttjBY=' 
WHERE 
  key_id = '88f671d1536e1e1e099bfb5c4e76a3ad48ec66f9278ef128b0675f5578ba3026' 
  AND (
    token = 'zzyvPZE10QXFRNNFZRpP6pzJ5GdDCCiX56eFizttjBY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )