Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '600b03ea47fb35984bad15dfe182c8ddd4524c6ee2ce9bcd33c9707eb2d86141' 
  AND token = 'XsawoZGJAU5IZGN/oOZHd9PEea/L7xj/BdFvXhcl0LY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00010

JSON explain

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