INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd21de652521ed69f14384ef08579f80b23c397194033a910dd087ad98362e6c1', 
    'QS/iSRZjz2fHJDUMkuB0yfe9b44Zmj9bHcRfGwBdKEU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00048

Result

int(1)