Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '22aa8ab6fafdc22e350fab80a803ecfdca1eb7edb61256b960d02a6750905b32' 
  AND token = 'QXOzI+rUZGQuFoNV/kt+7f5n34FVaPpE793dt5Zj8Xw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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