INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c255939107f0a7d036f07d935a25ea0faa24b7161adf55964604ef408c93529', 
    '2S1jsUsUonY2M5z7EdPjoEVbFo3mv0XkIyxGR7xU3kI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)