SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '3a25d6566f69e6d6a39bc30a36528eb5bfdb7711b0edf3f6f70cc15411006c4f' 
  AND token = 'ABIjCltF5hFur8OwJpqYPdyW7Qp5M0BzzgU93O5ViYg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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