Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ca6b7c5b7145c0c4765e2118d6e67aff3ab5814f22b569c7835f7d5be34c42e8' 
  AND token = 'yorexWxfuNnse8paybNP2PkB8A79Y8CAlKiuMdxlv1A=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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