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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'bd64459acda5c327ccbc5cd6dd2ce5e12c6fd4885763e3ad6e81a4c7ddafa3a6' 
  AND token = 'm6NJlSI0KLuUKlcxtOC47W0novY6MP+B1MHHqRuJUcE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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