Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '326c0a9c88f4a9f93cd1e2400e62266e5930129410fec59b29557be686e8367b' 
  AND token = 'aKGxBuwe12hdJrcMV9a6vWVNNbKutQIWkAr1FSF+E5w=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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