UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7Wq8v8kbCAkKF1+VHqOFZev0WBp2S2JK2QkexUyFkt4=' 
WHERE 
  key_id = '6d34c3e6906928959d14bc2a17eb15927eed51f803b8184ee785e9156490f6ab' 
  AND (
    token = '7Wq8v8kbCAkKF1+VHqOFZev0WBp2S2JK2QkexUyFkt4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )