UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = '3h8SJ8JRCY2zIFxEE8/XJQ/RmR0JZUQuepnKw8fUTEM=' 
WHERE 
  key_id = 'a6c3597849b73872cacbb7ab37f29b5cd0f75c7ef2ce979da585ac54d036c3bd' 
  AND (
    token = '3h8SJ8JRCY2zIFxEE8/XJQ/RmR0JZUQuepnKw8fUTEM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )