INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21cc5e7e94e5dcba0c4a847907756f53426be5017d5d0f30089c18692198d5ed', 
    'uaQanAwqWvaRmOC5dXD+oD+MLhO0y4TZ2FVi5E30j2o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)