UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z1rIFk70wAEUa2cmFFi1ABPLz/Jtsy9Lbhhq4ZXIUcU=' 
WHERE 
  key_id = '7819f335ceeca298bc35396d9ec576e2a56268e92c50a71823034220151beaa3' 
  AND (
    token = 'Z1rIFk70wAEUa2cmFFi1ABPLz/Jtsy9Lbhhq4ZXIUcU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )