Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'daa48172fa8ebac055adc969ca8c764fd13adde9632a27a47b6a4cde908d791a' 
  AND token = 'WRrtIySna8FeeUtPDXM2LnT8V6hPI6i5HCJV2SmhatU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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