UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Noka8KyaqPvof5GSlVw462piJkBgofvi/4wCePUbWsg=' 
WHERE 
  key_id = '0a37818deb4d519aed957cf35a02da109449668292ab6b579709daa626cfe1ad' 
  AND (
    token = 'Noka8KyaqPvof5GSlVw462piJkBgofvi/4wCePUbWsg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )