UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OW4vziGJO9NSyp82pCVC87VxvhuSdP8YzmGpDz9Jy7M=' 
WHERE 
  key_id = '93f1860c4d376824947b9afdf2f4577c1a1c7d089e1b57a7db32c95ff64e0a35' 
  AND (
    token = 'OW4vziGJO9NSyp82pCVC87VxvhuSdP8YzmGpDz9Jy7M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )