UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7fXiqo7OP637n/K5FmpTY1hvLEUuABUO9zlrsrU5FVw=' 
WHERE 
  key_id = '409ea45567505a4085958cc5d33c0d4dae6658784d92ad2cb28b99e963857180' 
  AND (
    token = '7fXiqo7OP637n/K5FmpTY1hvLEUuABUO9zlrsrU5FVw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )