Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f7ef0c51057549d8b59e0495ac1f6885cde2e2ac091baffd876e5f104100ca21' 
  AND token = 'aVNpiFo1zFbDo/Bw4Pzb/SdPFQQfBFiv7IypiMmLtB8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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