UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K457Dm5J1IVPs+AYb9aI4erA9AHVruVMPvliEaB3/1I=' 
WHERE 
  key_id = 'a3476bfe196aa52c69ec59b013c232453579bd8b40a502e994186b1a2576d898' 
  AND (
    token = 'K457Dm5J1IVPs+AYb9aI4erA9AHVruVMPvliEaB3/1I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )