Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '19703c9cd7aa696a727472818a499ba504b1c5fb61c5216b3029a8c5360765e7' 
  AND token = 'ae2P3H3z19OD1WtawT002oSDNWlersCrrKg8hOMpJoo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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