UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XJmSPG3ZiXNXeyLyH467tk3KoKFVtR5CfHYOU7o3vpo=' 
WHERE 
  key_id = '6217c3885f45df27e5d9d759185dbda7632c5ecfa7e61f062ae5ff672d9f8fbb' 
  AND (
    token = 'XJmSPG3ZiXNXeyLyH467tk3KoKFVtR5CfHYOU7o3vpo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00046