UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CZ244dYh1tkdbL0OQ4EGDCjhJAys1IXvk7dC6zrHX5s=' 
WHERE 
  key_id = '56b68564de609f5a5eed84e97c333e3dce02941dd5469919256626fe181bac77' 
  AND (
    token = 'CZ244dYh1tkdbL0OQ4EGDCjhJAys1IXvk7dC6zrHX5s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )