UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2FzMoBVf53+OjOg/5ejsWUUxsYnLlpPN2we3eo6ivEw=' 
WHERE 
  key_id = '91845e17ee094ca7a2bb39843213ff12358b5201041447d558738663cec2d816' 
  AND (
    token = '2FzMoBVf53+OjOg/5ejsWUUxsYnLlpPN2we3eo6ivEw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )