Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '436c965b60c754d13fcbad6d4e1409f15e6b56e20af2687176f7a273595e2d9e' 
  AND token = 'ZO7i92J00jFelHOVM1NFYca/4lUblMHwlc9XdMwJcgk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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