UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4HZqvCZPb/ZOsN4YVp4hbEQPLPXQoiMB5NZJKO0nG+Y=' 
WHERE 
  key_id = '76bc6079b14426f64c797719f21b4b368ec8489fa3575cf24c78973c08cd6342' 
  AND (
    token = '4HZqvCZPb/ZOsN4YVp4hbEQPLPXQoiMB5NZJKO0nG+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )