Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '5a2ae806041e83c31e32e9f76624db3114a9a543786474b33812e97f000d9182' 
  AND token = 'djTsxE1Mrv1vBAO51WjdgVf2ylXpqtfl6I7iz1NOvdc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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