UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/rSGIh0Dq5+mmDmFYUNAxqns2/Yg6+5jukO37xGmhmg=' 
WHERE 
  key_id = '512adb4d7bf01e75e7bb45720fed03c272d140452a38d383c802eaba057a3c54' 
  AND (
    token = '/rSGIh0Dq5+mmDmFYUNAxqns2/Yg6+5jukO37xGmhmg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )