Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7fd5c37556b5c3266eb35131c396fb7c122a46015701d88cc619419c338c73b9' 
  AND token = 'D5trKMILE5elj4+B5nFa/PN9sQ1JCtoUq7YK7TtJ448=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00021

JSON explain

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