INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8399f1bc6103a03d8d095d533e3c64af2880af8f98344add5f3335f9c589c28d', 
    'KR8DMBmEvlkaf81M+qqMbxjgyW151+S72YaO3MChic8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00051

Result

int(1)