UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mcztGuAqOhzDzOYxIXcTWsx1wdWKzvg9doIxGArpwq4=' 
WHERE 
  key_id = '38e31982fa954c7253732a39d817781ce9cb0af8a8eeeef9e635362ff9238791' 
  AND (
    token = 'mcztGuAqOhzDzOYxIXcTWsx1wdWKzvg9doIxGArpwq4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )