Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bdf039d15bc4d2cc7582ac65ba2a2f4c9ea9bcb5cab8f1df1e9944acf54bba6a' 
  AND token = 'uWnP5R838SkOwrpGGGQ3IXv76RFhTN9wRblR7iumq4c=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00062

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}