Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '58ab7b2c679e93a13d6442aa9c0d7ef48f7e7885e3ced76f86e58825d5189586' 
  AND token = 'snoe8PVDW77WbmM/qt+ItSbzso/Ed0sNwk4ta8H1iyg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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