INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5a0835daf26886097fc88b0b449ec859dc1b05fb7881868023e0c85f8590ff2b', 
    'mR4E2o+f95aPZM3MfJWjOWnGK1P1nrMnvLkvD8OW3z8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00061

Result

int(1)