UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NHGqeU4+9mEQqAjSyBI1ZEMCpgNhdXirKZE2eyqSs5c=' 
WHERE 
  key_id = '71e62ab689d78c53a60cca26489cf1fd548a10e48cc040a798b97146db4debc1' 
  AND (
    token = 'NHGqeU4+9mEQqAjSyBI1ZEMCpgNhdXirKZE2eyqSs5c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )