INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b2ca3a778f86f38244a0f60f5a4bdeff44bb89fdf106e1b5cdb5d5a077521000', 
    'BzkRupHDx4WOluXgqIz6zIaBDJjVuU3DohPQnbJ33HM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)