UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qDz9jJGpW6RAQmexJNjenZdhLrXi+rllQPvaxbcygOE=' 
WHERE 
  key_id = '52bc6d797e03a62b2b444eeb1a8da74efddf30704e46812c3a52c12d2512f76b' 
  AND (
    token = 'qDz9jJGpW6RAQmexJNjenZdhLrXi+rllQPvaxbcygOE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )