INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6e8f70c170984218c6df51c324a3129ccf35050d0f23acf4eb23ca26fd509c4', 
    'Ds6uFWGDj1VamYCyq/9KXmAw3XBY1ljnQS6NaRoulVg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)