UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zx8f7z6BJKs2zLUDSilvQbJcJ7CrXaqnbEbQKy4GT6U=' 
WHERE 
  key_id = 'c9b1fe3d51756c20a24bdb6a31867d217b489641de3dc432222c4a84537545b3' 
  AND (
    token = 'Zx8f7z6BJKs2zLUDSilvQbJcJ7CrXaqnbEbQKy4GT6U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )