Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e192952aa47e5981a23450e3f27cdc7264998db2e236f53efc9d9df53dbc9425' 
  AND token = 'xxh9aQHVNe5pjeMthYAJlBiwoKaRtyvz3pw8M54tQXI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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