Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bafe5c843da04c21732cb13881142f9dd8c7dd531c9a7ade323ae00f168610a0' 
  AND token = 'b9awLPK1N4UIcUE1a94M+UkGjkxPe7eRjqms7R/g1dQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00065

JSON explain

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