UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4lg/zXayBGF4rs16bALfSQg+w/81bZtwTw6VEoG/qz4=' 
WHERE 
  key_id = '6b4a7be62dabb38bf41acd1f0ee8e43c01a54f8dc117e36b14cffe170f5a1dbc' 
  AND (
    token = '4lg/zXayBGF4rs16bALfSQg+w/81bZtwTw6VEoG/qz4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )