UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QVu8ue+qPUdjwqDxlETHYUmPe8WGIQH4JNaCDFUfz5M=' 
WHERE 
  key_id = '21a9aeb2686abfd997585b07eb7a1a38540eeb89d031234642b2b8d9b2d737c7' 
  AND (
    token = 'QVu8ue+qPUdjwqDxlETHYUmPe8WGIQH4JNaCDFUfz5M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )