UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5xBQuRnYElKU67O7eojjvi4r2WgXnd3wwSXyCt9U9xQ=' 
WHERE 
  key_id = 'df7750ea069b6a4ed1b01d7101545120e1c47eae8d2a80c728d1b296cba4554b' 
  AND (
    token = '5xBQuRnYElKU67O7eojjvi4r2WgXnd3wwSXyCt9U9xQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )