INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd6ccb8b0ccaca101556dc073b53d04f68527c5660b39370ce1a1d76a1b5ce09e', 
    'kxrXZZjEkx295N7QdsS1YgJmbIU6LDpU2QjwJfi7S1M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00012

Result

int(1)