INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '543de50f5dc2d8097bb27ed14723428d104d0f8925e52ffcd5c6ab7ed10d1b9b', 
    'B6nMKiBxVfOSdtexZa1js3C9QBltp2wQNHMd1WYycKw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)