INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7e28535c0e851a3ac5bffbc813a34a55e981cb24b6f2f2e32231e271e348b277', 
    '4SYYus68uSvZWykzfsbQipBtBM2yVycXo1O5Gc2Y/cY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)