INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4c76d7b38a9795847513c1a09d6071fb0230abcd1f849beeeff339965c673310', 
    'j6shxgibG5Zk5Kg2jI6lPg+LiY06uW9fPKZ59npsUVg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)