INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '028eac849dde43742f1b8de830fadabd4dceedcc052d09ca0824fd092c2d8e4a', 
    'MkhHmbEY5kbzyKc0728XsQG23ITwzylPwP6ajSukjxw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)