UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z9PqU8Ev4cPJDrSu749YP99ps7taCt+Ajrz83DSSAY4=' 
WHERE 
  key_id = '1493ba2a8cbda0a6cfafdb5545151b006c3c082c28f596581b35122e6f230478' 
  AND (
    token = 'Z9PqU8Ev4cPJDrSu749YP99ps7taCt+Ajrz83DSSAY4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )