INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a921fc8d9e4768bd4dd527b8fce971b2602bb4b9b3c79c3df00b3c319c43b968', 
    '2MPCiAKfjvZSxkojY4Suz+hAVDuC9AsY8w1bncPg2uY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)