Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ae1d53cab1f34ca476f2bbcca5b5313ec71c0e7ebbe1dbae8ea23972e67a78da' 
  AND token = '08OaDTfGXAwzdMEfLKrqGNRnvbmCgBG7Sk7UjTbGRNc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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