INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e47ec299b31f18e064b908873595843dd8503cdcba8df2c2e121733d302da0e1', 
    '+unxTVl9KWtTUVABS/U1buk1hKtGhzaa09N8uhlvfl8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00060

Result

int(1)