INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b4d21a3a3689018c9843ccb5fcc02076d3e9d6fdb5463053ce39339c300b6ef1', 
    '6KlejjKDgbwMSzWHyTVs2G1jL//S6Prq5G6aGmKNa7I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)