Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2166ce3587bbe232efd50b4a974e6b8d46ed439dd16d8ade4e75d0ab0c7d4700' 
  AND token = '1QK77fbbPs07px5wJBoAnyJEvXOb7bm1oPgIsFyqY3k=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.07799

JSON explain

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