INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7621ef192432fc7a792802ff2929d46ba51fee2214ae03ce6a7d59742f001a68', 
    '8W00t1kbZSKaIgUEcLjeS1bWLQvjjHJYtq0UF6Q//b4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)