INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3821d9bd65bd8ef1f9d0d6b0405274e49e2beab8388310816c278d69a4d78b3c', 
    'QavQ6YCfehW0ZpCLSwRquyl0mP1NF9nuypZiVS/ce2E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)