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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'aa65e21575d15d143fb6841cc1bfb80675fdf15816e2246fb332db1e9ce19177' 
  AND token = 'AULYwYt7Dx5NSg9L257OW7HI3L+E86RBunnbrzirBjA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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