UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd6fVcBQzlHv5uBnge8+auGPhn6swvdDk14jY64d5jDE=' 
WHERE 
  key_id = '62d2a77330b886fde64e1fc0c3e11445b5568434a7f4097bf96352866b2a3db7' 
  AND (
    token = 'd6fVcBQzlHv5uBnge8+auGPhn6swvdDk14jY64d5jDE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )