UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fO0hopfkFkiTouBeKviV8ZLapym9qb5QRkATJTXkkjY=' 
WHERE 
  key_id = '624e30f4d850ff25efb97a3614f61493fbec106fc74c15f700b16c471a7a0760' 
  AND (
    token = 'fO0hopfkFkiTouBeKviV8ZLapym9qb5QRkATJTXkkjY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )