INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6646da8a2c7c30505b85f9db43649849a896326f4a1b67c089dc813403810bf', 
    'wyKdVWSCTdrEqa9SAOgXpk7ZZZSTI13HYytPnLGxEXc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)