INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51dedc5982f79f0ac019ffd663c7397a88acde35cdb08e8fa871c8cd9e56921a', 
    'QNUPVBafmDN411nTvGrK+zxP3XYzNjLwiF6RMa5AOBk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)