INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '76047ebcf1ae07154998aef1769c32b93d0b44b21d8ab25a8e0eb5f18a154753', 
    'EHqexadixMM2n9eosflF1ktzyKwEc3H3C8IYQw3ieOk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)