UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rR9ycxNmaDv1UOXi9fWIKSWpEw6RreZiLaOJPNz58rU=' 
WHERE 
  key_id = '2b7ea462533ae3748e75d4b5096832df91fbde5469c7934644cfd0745108c054' 
  AND (
    token = 'rR9ycxNmaDv1UOXi9fWIKSWpEw6RreZiLaOJPNz58rU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )