Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '813c9abdd336fbbe8b6fb81d75071b8867f8c76f35e1540ea2b345bbbe188d95' 
  AND token = 'xvalVYn43KRGAW5aYNF+KAG5DGu6sZARmd2CWnB1chg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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