Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '7a658f2de615e1d057a1744a38920855416a5eb69dfd832cff01ad78bc26a770' 
  AND token = 'y/FGLL5KfL8eYxnNKdrxXJKkBye3BKsW4mcCDpJoZmU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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