UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nXlymqrpEwemd4meOt1Jdiava1iUqeSgPXS6lkYqOgM=' 
WHERE 
  key_id = '7e2f3169368e06c9cd9863ed583fdf97d0521be3d377361ac017cd48267ee25e' 
  AND (
    token = 'nXlymqrpEwemd4meOt1Jdiava1iUqeSgPXS6lkYqOgM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )