UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pgD7twi0f2r5vqXUnrEpbuFbZKsaMyaakS9YssGXenU=' 
WHERE 
  key_id = '796933c3482450cb5e03259ca3a3e3aab90ea8e359384ba4efdbca99324a51d8' 
  AND (
    token = 'pgD7twi0f2r5vqXUnrEpbuFbZKsaMyaakS9YssGXenU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )