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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'd03ae58050e182ae3e5024d4bac638f19bd25ea3f35dfaa792e529bcfc514e8f' 
  AND token = 'FZ8iGien3v6IvaP7EA7e/gKLE2lPmwd8yVi7MFhqSpI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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