UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ksk+Hv/a803GvRcQ589s3RLJ4mbDujG4izk51OfFODw=' 
WHERE 
  key_id = '7f82f4f13550d4c6d373dd75314681d5b95696486ec6e8d114885c296a8eef41' 
  AND (
    token = 'Ksk+Hv/a803GvRcQ589s3RLJ4mbDujG4izk51OfFODw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )