INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3e88e9edbf3a815e7676252f46259a13dbc27814c7ba9a0f5092afccc2f18174', 
    '3QHtTY7xBjkoniiNbEYA0zIoOlmgi0SQeeZq/GExWdE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)