UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z8dhVNrHd4QbQEK0cbA6sWRgkm1R7AOBvnwECgdfNZ4=' 
WHERE 
  key_id = '6f4404fce0cad9bd33c0f46bb81dce1509c51df441de49d85982f45cb86d003f' 
  AND (
    token = 'z8dhVNrHd4QbQEK0cbA6sWRgkm1R7AOBvnwECgdfNZ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )