INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '16c737413c9aafeb98219e2c0a6a2e8d46105a17789f4fbf999113e45f0866af', 
    'jjKr0bRDdZ+mSkkC1D9h2tUaEwddrjKBttPqZ2jhq/w=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)