INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15cb8497f4bd02eebc01c5c785c768db5d6fc1b7e7be44634829e50e1fd1a5e9', 
    'k8RgsJdwHsoEHhHXmEcgaASEtYJTA5JnCumEUujWebA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)