UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PqUvTJZ7BEOskwh8einGVc08oPSnAR1z6/xXEgWo2kQ=' 
WHERE 
  key_id = '3883ff8ac69932b465b15948b9b4151cd4bd6d4760e1e0b9734480fd2aed2f5e' 
  AND (
    token = 'PqUvTJZ7BEOskwh8einGVc08oPSnAR1z6/xXEgWo2kQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )