Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'd005241e524136ebdeb2713da28bf4deb7d119685aa88fd9f3933e4a92867625' 
  AND token = 'hS0QluLMCrJr43PbfFp0LjKBo2jBRu0SPC1FRmWr/aA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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