UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8aEcJDv8gOdf0qoqbOKkbgqBGb7RaYDaN1R8IK9d1KI=' 
WHERE 
  key_id = '4b82402e136ede549e46593faae26aa01efa1ab8870555d16a05fda4caaf3d81' 
  AND (
    token = '8aEcJDv8gOdf0qoqbOKkbgqBGb7RaYDaN1R8IK9d1KI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )