UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z6RStX7n0v/pz8V9J4spfbHIBBMg8V9UoodgwU//9jg=' 
WHERE 
  key_id = '914c3015154057f283778d857742cf645e1ccb5b17d584ff67e7a50ec66c81f6' 
  AND (
    token = 'z6RStX7n0v/pz8V9J4spfbHIBBMg8V9UoodgwU//9jg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )