Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8ea2dcd82c72f02489bc17b18308dd38a911a98fff81aa26be3f03156932ecc3' 
  AND token = 'fhprg8mY67/I2utL6FqN4+5ibQpwaWXze02dSPCob2E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00047

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}