UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rTjnsg26u2oDvMGNKeg4ladwczQaAGcqzIWUf2kJRDc=' 
WHERE 
  key_id = '82a0b7cd3a5afe82054e1fe29520a033b5868f0b57dc5684f9e94fdf45b3781d' 
  AND (
    token = 'rTjnsg26u2oDvMGNKeg4ladwczQaAGcqzIWUf2kJRDc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )