INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6419ff3ba0f7e9e002826e336f365af08720f18511f07665cafe0da67103839', 
    '9QWNFcPAAX0U0NCtJQ1UOEFiL6KURdm4O2Eb0/Mvl9s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)