Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e4465756920199fab27f73c7bd6152979529271203d3104452eee44515f398c2' 
  AND token = '3XgQoN0dykWyhPwPzjHMIAN8BwgkLn66yfRspptDexw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00027

JSON explain

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