Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f0e5e9af11797eb3d1d7491133c1a4f456aed7176138cd979f30bc70f61ca560' 
  AND token = '48HkOOpZcTNbPH2b68rQYgju5Ftbpw/WiDe6pIMNv1g=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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