Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1abbfcdd1a0aa435b8b65a79c97ba5c8cb0b3eab37407b5b572606ce242e9db6' 
  AND token = 'tihdAGXX/OWaHmk0cnm8U+FUZU9Kot6XMLXXXY4AClM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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