Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd4599a021839b018d885e4e771de1f11c05a1d03fa80913285dda71002088e6a' 
  AND token = 'PV+5q6DbaMVQBNUC6O89UiUOEN4nnPeAD7ntTBRT0G0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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