Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '01ce030d8c05397cef36344ea08ca9d7023c73618abb4eb0532bc414af40372e' 
  AND token = 'ovnnqd6GpC9vHauVJEg6s6K+GT12OsRSyegHTVXhgnk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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