Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ad1a560165a5075c556a76e00f3c2ed377c50b5c4252c48f102dd8f539e88f5b' 
  AND token = 'yDyeOtfURfhWgCpnDMiYAIllWt8SbKS7e2neMGJYOqs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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