Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '822e605cbad83a7ead267d2d69e07d915c392535107c916e4b71e2570cf100f4' 
  AND token = 'ieFUGqjXJwuyEz36p6bRJzZubRN9SnBRwlUpTbDrpRc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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