UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6ovB49typsjs9ifGZHQcj3Huf6ldCH5yOfpMdiGWSQY=' 
WHERE 
  key_id = '6a83adc517935afe5014722f2acb6284d2cd0703397adc4cd7a5a9a330e30b18' 
  AND (
    token = '6ovB49typsjs9ifGZHQcj3Huf6ldCH5yOfpMdiGWSQY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )