INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c28e021cf0871af8863285147541af4453e896d0654077947f47218c63b205b1', 
    'KEZ/c9VhVcmAhvq0yeA9TnJO1cpGlveHvUnzTrnt6+c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)