UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '68z6vwprw373jnCJhgZG8wusZTdusmp6eWDTA3tzQYs=' 
WHERE 
  key_id = '40a6b85a46836b4df53e7041cf5f4a92612899cab3725880fcd2523315dcf7f6' 
  AND (
    token = '68z6vwprw373jnCJhgZG8wusZTdusmp6eWDTA3tzQYs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )