INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81c3ebf7113408b2ee4161d5c1018d99c7489fc8209e6dd08ba2548fc218d1b4', 
    '8+ZTMY86UZI7YzgjCvy2dL5yeM5v60aftOjDSvIsIJY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)