UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6AwLCmdVYExdybaDUbZqKJkOMc2l9RaCUOx6VFdHTqo=' 
WHERE 
  key_id = '3e41ee74f1dec838d081a8f84c1d5b731dc3578e1c1b553ee6731c52b5c88cf4' 
  AND (
    token = '6AwLCmdVYExdybaDUbZqKJkOMc2l9RaCUOx6VFdHTqo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )