INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '921fcac7ce51b220894154cad31a0e162117d4c408786339111ec9ce9f18a5b1', 
    'FGJ0t+st1tdFoIj/Tkp1On8ID8b69cyE3IAjh7d9Tco=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)