INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e34b1e9478b84d46a0e27ec578735285a1406944166027dc5a19559ac55bca86', 
    'tLewGB4SOI65zT19011EZcw8rJMJDnf5K0r6kNFxHJM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00056

Result

int(1)