UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZkZac4dv5TQ1N+b9No6QRi2gjYykcqpBxU2DUGBxFw8=' 
WHERE 
  key_id = '5268e12a6ddf08d1e90c6bac86076b251eee764882cc10c1ee5b178aff15d753' 
  AND (
    token = 'ZkZac4dv5TQ1N+b9No6QRi2gjYykcqpBxU2DUGBxFw8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )