UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kfxbFNi6Kg7WiF5IJkwKV7fGdgdVmBdgYxann9XkDOM=' 
WHERE 
  key_id = '6fe1d4e8242b4cf91900ee562d61fcc4f3efe865f7a5e0c5187fb0be7ea71359' 
  AND (
    token = 'kfxbFNi6Kg7WiF5IJkwKV7fGdgdVmBdgYxann9XkDOM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )