INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b8b6a10913a8506564c1e2d9c673790021643915cf34cf99b0bab53f74e2ee9f', 
    'iXWFz94LIdmJJn80L574WdoKWOZ8bYb4VlPJgmV0ctw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00054

Result

int(1)