Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1d896bec20c9d3a560e52ef267b9ebaecaf403c741e06fa5c3bcf59a2efa54b1' 
  AND token = 'FEU/LbjAHZJNO2GvN9p4/HarKxF3b6LjaxIFV2xQo8U=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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