UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VyHomjniNT8SV0xEeK18//RUJZJRp7Gj+XbBCMjnchE=' 
WHERE 
  key_id = '81e739ebb019fd5509b9e8ece82d4d5b35484b29f2b8201f6292e9ba89931150' 
  AND (
    token = 'VyHomjniNT8SV0xEeK18//RUJZJRp7Gj+XbBCMjnchE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )