Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '32203722b977a16c8342a55cc084c3e6ace21689bfe2b40b24d05a5a4d563770' 
  AND token = 'OreHCU9EYNj4qLZMTPX8VPvkhdg6YkgIU2/pWqTV6qA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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