INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c8de5a80f841ea017d19eece48ec42341cded1822eddc611114625766404894d', 
    'p5u/zr+VAe4reJ5gmOHrgcdtV6zxkvRA1lnuxrEYNMs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)