INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5b2a03a8e7d70935d8c3d5e434a92d7e139684b337992a36fe178131026eee53', 
    'qREdS98deYU4iRTznvMPVS4iW4ot6AagyIb8pDrvP70=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)