UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ywMm9adL0NrlnpIycj0g3kfoTwbF3DO84A/klE0dQFY=' 
WHERE 
  key_id = 'aab1a6b90b7ed68246e1bacef94f55ca81cf67e0a5a0b91e7218e2c304b237a3' 
  AND (
    token = 'ywMm9adL0NrlnpIycj0g3kfoTwbF3DO84A/klE0dQFY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )