INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15aa475e2ada8f8454d8e6facbbc5c6dd113765160f0f342e00c312a24c801c3', 
    'nqaMx+JHOTKCZBgm8h1KeEiI06f//MxOtDZytfmisvs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)