Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '4deb18448ea18482ecf7b2eaaa5ba9faa3d501a4bbc41e6bdee69def3c4c1e48' 
  AND token = 'm9EsE/JjAfH23s048rsOS8JO3MtoFIS1jeug3aqVFeQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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