UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q+8VFjsJYCoLds8LfyI8zWYCbLaDZJsUrcSUdpxFixk=' 
WHERE 
  key_id = '4d39da18e42e540a4beadb48797c8d87d802ea858bf7dd502b34150d1e12cce7' 
  AND (
    token = 'q+8VFjsJYCoLds8LfyI8zWYCbLaDZJsUrcSUdpxFixk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )