Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd8addba7e4639a2ef7a45889a7d54478bc9ad071ea9a67219ecefd2252af7ee1' 
  AND token = 'LdpYLR40qgUZQmOZcCeaY0o9l3z6uJWIvWq7kLxdKpE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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