INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5f99d79bb68c760ed873e590ecdb6ca3334adef4a5fa8a51b255d42c29ef83ae', 
    'MCJLuI+hJ5tk5odP8//9ggJLBAZVXOUL3RZggQauDsg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)