Also you may want to double check your policy from Mr. Prakan. While they have a search field for 50k COVID policies they are all still returning policies with 3,500,000 baht (USD 100k) coverage.
https://misterprakan.com/en/pass/plans?cr=VW5pdGVkIFN0YXRlcw==&nal=VW5pdGVkIFN0YXRlcw==&des=VGhhaWxhbmQ=&dob=MTUvMTIvMTk2Ng==&sd=MjIvMTEvMjAyMQ==&ed=MjIvMTEvMjAyMg==&dur=12&age=55&ct=th-en&lp=VGhhaWxhbmQgSW5ib3VuZCBQYXNz