UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nx8mWx6GvV+nhcF3cyVebdY+h1tcaF4hjOYv3ex6sTU=' 
WHERE 
  key_id = '315683564816470d9cb2abae60a11486dac5ee499675c3e6594b0878d43b68b0' 
  AND (
    token = 'Nx8mWx6GvV+nhcF3cyVebdY+h1tcaF4hjOYv3ex6sTU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )