Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9257380c7cdb675576ec097a101033fdfff4c2101265fe16013036fe5cb3e6d5' 
  AND token = 'DufVYeHxgx7R+C3+Sa/p8rJvJE8i3LmVaK980VkfnFg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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