UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Eh0PqOaiqGajn9K5clqLEF08aXnWbzj2ooi6KsTIpqM=' 
WHERE 
  key_id = '20917fa12d2962d9478132d3f1257cb656b66354bb633d1ebb28c7f9e967fd2a' 
  AND (
    token = 'Eh0PqOaiqGajn9K5clqLEF08aXnWbzj2ooi6KsTIpqM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )