Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '164df0cd896c69d8bc731e8ce8b1683470b7b5e9358cd1c8ebd04ec1617c53ad' 
  AND token = '+tiI6fCiHuF0gewIOY92tva6Epf/ZSk0xOQNIWSwd+w=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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