UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U4Rurb3H94Kz0iccgJrPQuTvd6LRDD7UgPVL52+Sa10=' 
WHERE 
  key_id = 'f24ee78163f15b05d149d5caa6a7b3d325daa399ba9d65d62826f24fbd5a8859' 
  AND (
    token = 'U4Rurb3H94Kz0iccgJrPQuTvd6LRDD7UgPVL52+Sa10=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )