INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '956fb12f5c28926546c8f77f4b00a6a0d144be08d58e30fb5ce3d8ed18ff889e', 
    'M0Pj0Sy3zSLjY/utG+HUhdczRRykSq1+zXrpeCcfK7s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)