Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '97888043d23baa5c3bbdeb00f30182ff6acdff66439799cd01032f6d278e25f0' 
  AND token = 'xd7iup6+tcPA4bxGtrleY1lDtvuLYJQWWB4Z96gnEpo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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