Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '22ebb86c196df288f5e5b94341e0325dc95bdbe2ddf5a27994231d0eb72e01e1' 
  AND token = 'GvLpQIjv92j/E+T6hekYjH/TnWHGotRFb0vanvvzNas=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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