INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6d27021840fc9ef04a28a10ee1c778251a530dd2b72a7dfde2dee6536eb8faf1', 
    's6RVxjWyjCFcBqYj/F3xidL0zO4DTcSi9XAM0Jmq68o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)