UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k2u6oSIZ1eh1W9Fzis0CSH84UMOAMV5GMhQ7E+AgMEM=' 
WHERE 
  key_id = '975226b6f4676fcf6014eb7ea747c94aa9030323ce408fa2c753989c096c4166' 
  AND (
    token = 'k2u6oSIZ1eh1W9Fzis0CSH84UMOAMV5GMhQ7E+AgMEM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )