UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8ZxR+GBCZAV2L40aBrWAAxNOA2m36Iuk2ItTehQ4F0I=' 
WHERE 
  key_id = 'a9cf3346ab66440ec698eb3f6cdd04ddc730226ab99cbc3b53f973a332057bf2' 
  AND (
    token = '8ZxR+GBCZAV2L40aBrWAAxNOA2m36Iuk2ItTehQ4F0I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )