INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a395673688720db2b8bbe7aa8fdb44b96590595ee07a955178f7c994c9f30e42', 
    'L6B2YQQl7eIrInNU7lEone/6pGwKIkgK3IVI5EB1m2w=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)