INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21836a7f7cb5be6771e3858c25b232e697a77b7a7b8d39bf7571ab0310655de3', 
    '/hkJ4bGt2yiHV9WRb0WePYWtXeYFrxnPCpXUS7vsxw4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)