Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '86863981c012544878c989466417d3d5244ef7b75be9765170cbd77cb5054fbe' 
  AND token = 'P0MsBRX9eyk0l5NU4/jKFD0fIdWUXdIKBezwjTAPTqY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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