UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iu8pwIIfVfz+F7zPwd520+DR98GCoKv4EGYc2mKcaU0=' 
WHERE 
  key_id = '8dfe301fc6875f82abbc7bb4b6daf0d0b8e45bdb3fdd23482b4b281d1a6f1397' 
  AND (
    token = 'iu8pwIIfVfz+F7zPwd520+DR98GCoKv4EGYc2mKcaU0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )