UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TH52iuz+Ne0fv8AOCf1xqURbi2Yr2/yNd7QKLt9fg6E=' 
WHERE 
  key_id = '92a7888cc9f08fbbdd60939a309376bc426c2777a14afba1824c1e959a990927' 
  AND (
    token = 'TH52iuz+Ne0fv8AOCf1xqURbi2Yr2/yNd7QKLt9fg6E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )