UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sl1KmSfw5xG3fvsH0zyTi269Aql9pEl22qfnRWhQk94=' 
WHERE 
  key_id = '05a712c0453ed1bee92b962e6fa3a7ab39bed86db85ae818377c103fe34bfe76' 
  AND (
    token = 'sl1KmSfw5xG3fvsH0zyTi269Aql9pEl22qfnRWhQk94=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )