INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b91adbcfc8bacea914fa76f8b8e7f6c98879ee16a01a06b78762dfb7539326c', 
    'E5dEb1e7FtQyz5pZM1QMZEVEboU9a8V8qikhtcujEMM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)