INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c5588d6d2016990aedcf826217f313b04feb69812754f173f1d37b7946af3fe4', 
    '6VFV2fwIAVqTZ2t+7mWuDynuoDNcylScmmV9sf4FtE0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)