UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HFCKkXI1JqUFm7EUlP6HOkRCKAhqyEyDJERNSBkq718=' 
WHERE 
  key_id = '81a23003f9f1ad648e2abcc7d6b07a73e21edb7e20d59c9c3885e47b0fc0cf24' 
  AND (
    token = 'HFCKkXI1JqUFm7EUlP6HOkRCKAhqyEyDJERNSBkq718=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )