INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e3a9c1515198b4cf21c438e108dd7e30ba8619470158780da9a52011c99fb05c', 
    'MIAcXQ34W2/2xSrTrYNqZVdcQyRqGAfVPMJ6EB/cgpg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)