Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f476c2b379ce4c36e60dcfd5a46e4b179f700644a773dcd3679424f679191318' 
  AND token = 'Wd0GCPqSE7NjQ95yj8rB0bj3DsCuPzPofcn6pwNRJjU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00048

JSON explain

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