INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c73743ac35911268b902620c7c469af6fa8fffbb6d66caa0598e1b3d70ed7da8', 
    'jKRttdUTZt4//cd5x8JNa3eq7xkkFmYxTcvZ0lQRnVc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)