UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V8MF8izwn4njRxuIgua3D00oo30Y2m9o0uEdRcrXQbc=' 
WHERE 
  key_id = '826fca773018c75e3ac8aacbe239999ebae003a9f9e47c736884195aea4f5de2' 
  AND (
    token = 'V8MF8izwn4njRxuIgua3D00oo30Y2m9o0uEdRcrXQbc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )