Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '3be28492891c07499807476b96f54b08481adae31bb980c82d8daa1506dad72e' 
  AND token = 'CUx1SWX7Jdab3JhGNrkkeFnq6sERMy6t93SWHF2cTjo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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