UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ckn79+NSuz38DEdhJTZq4p0l5eaPoblpQNDSpdXMrNo=' 
WHERE 
  key_id = '19e464a6af6db236f72b64e6108bc7a6c8f80380a0a1ea62c88e35c0979a0176' 
  AND (
    token = 'ckn79+NSuz38DEdhJTZq4p0l5eaPoblpQNDSpdXMrNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )