INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ce9eab88854066da728dbf92a55af04b41dd4ac6685605e516ef3b1b43390f61', 
    'I4z6cCvPub72fNCMENLlKYVBF9IWK833H9TwIqSuXtY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)