UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nWmFJde2WlYUVFkm8VYhf61L6SfWt/y1lf657NjVwqs=' 
WHERE 
  key_id = '6afbe56ff85923217247b4320c70bced4cca11ad27a543bac45cc309e118938d' 
  AND (
    token = 'nWmFJde2WlYUVFkm8VYhf61L6SfWt/y1lf657NjVwqs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )