UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zlCbOX4zqPHLYsEV5cBWrBLWDio8mu0ciOoylzVycFE=' 
WHERE 
  key_id = 'ff1f884dc5fd099d07a8336f3030044cba703ee67697078b0855f62bc3b5c519' 
  AND (
    token = 'zlCbOX4zqPHLYsEV5cBWrBLWDio8mu0ciOoylzVycFE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )