INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c3b7ff55b19024915825986db7265afc6a549e45a68c7e6348613d404d547e9', 
    'JDjVQOFKtWg7o01P8GsVzRehRl1mbl1sphhIMOFq9pA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)