INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b4bbec12981b384af0221d3ce45fd971143c5b84b031d82ecbaeaa0abf380f75', 
    '6TWRxbfdO13jrpD2lfW7hU4RuRPpXBqlNYeWdY0U2yc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)