INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6b9035edc5c9f273e8fe9e039b18652d3b30e6ebd711b8720dbbe79b71a2b52', 
    'inFz4CyGe7BALQGcN5UPJtt5WninMNDV8A7ZsBTKe2I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)