INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e8b251462372def17d470e0fcc709aaa67ad51a32be39bec9fffd24b49e454f3', 
    'NMc42CcOEwJUu27mlb50tO8hZkaMIoE23QPWXbsFGz0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)