INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '305d0adb16a8cebed0e38305052cce3b32d652d168d3c7daca5c2a48d532593c', 
    'nLxHtyg2SwGKc6M8LdBUXdVZp08Xt4BPnxzVA7P+DOU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)