INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a35bbf50cc136dab5320af375fb1566f191f5cc57e28501b90a41624dbdfb2fb', 
    'xKpT4qaKI+T1zXEYwJNFHHvTjZqzMnS8TOuOm0vmf+I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)