INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '735ef19f006b7036960a154e9523af29c5bda8db54ff4f08411b3e20a793900f', 
    '5NsT7siwQcLyUztFRbj6LCKUiT7ToCJuzPTWrund9XI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)