Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '06010b2a658a588ef6e52429fcddbe7457542846f7a15ffc859628ce645bdef3' 
  AND token = '/XIKNhN0K7zxoKlG7idp+DhBSAi9ZTOaFOm0odIed/4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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