UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FtYqzoHd727xIbkAiPncAblXqQu7DNAVZsTfuvFkHho=' 
WHERE 
  key_id = '81abd390302f02e24b67709687ccf1efd733e610343d18482dee34b820c09a60' 
  AND (
    token = 'FtYqzoHd727xIbkAiPncAblXqQu7DNAVZsTfuvFkHho=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )