INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '76fb682d18bd4476fec0a610c7899942e7120bff2179ab6a89c7eae802235425', 
    '3WQ5BVySrkGADwv5AUXjMmhsweO0U4dqavnbffngVrc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)