INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21184fbb750f8809c49bf8c37585945249d3c3c818687c6a9d764b5ff3a31407', 
    'hOutwIxnsaO4FlOlGMJBLZy445PRd1CFUJLih+cVETc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)