Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '44fbf07fadf992d1ed401c06ea16aca3594163481445e43f2ea99cb7ad2dc8b5' 
  AND token = 'Zzw+mAPNlY5cPPsmuLqOVbmUJRdEEh4PskKZ6OA1wt4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00015

JSON explain

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