INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4921955d235efcd65e5ee427092de21a15833d7ceb7783294e794e4b16c66103', 
    'O3En51CJxU0743xXQ/0VgY1657DsdsEcRhfvRJoDL7Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)