SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '0f5c743e3fc6dc08c6b9183b1761d4c6dd5fad36892eca9748e3eac608e80581' 
  AND token = 'J2VwKw7XAn79WY9i5kkAZLZgh5ePcilWFrqCFebgGuQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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