Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e922d9669c10d42110509fa00e4a72528e5bef80fc28464abf6a32c17f58d09f' 
  AND token = '86Fws9rktQjILzUviCRWofZ/tciekT0Bpq/PD75FINQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}