Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ce3ed9f863d42915853d91668658569289aa6cfc24ab2427d25a8e815d73c57c' 
  AND token = 'mdbSv2xGqfL1hJwvUpqfuaokN648rWw3hniZJwlZaCc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00039

JSON explain

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