Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd806cf73707b45290559a06709aaa6027f46e1ff19657d28eb924bcc3fc218c0' 
  AND token = 'CN2pkf86o33FcVtJGd0zgQy4TCp1aPDcYJS6+G7ayEU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00048

JSON explain

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