UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'flSkNr3fJBkvSSGybPBMqHgWGIGBedWzcmhXWlfJ+20=' 
WHERE 
  key_id = '8ea9143a745592fb6113c56abb68ac308c8e46c8ccf63f3b91f2c924848a6b0a' 
  AND (
    token = 'flSkNr3fJBkvSSGybPBMqHgWGIGBedWzcmhXWlfJ+20=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )