Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '0cc1461e677030b8037206d12fa6787e89a4c8dfb0fb6731adfb88311f989afc' 
  AND token = 'jTQZHtB5w2imuspNTENtYy/VEQncRNy2Mqj2tTLUrnU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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