Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'b1121b1807120ac81f8b79c1fae0c78f8082615993265d2ca3c4ac68af67f154' 
  AND token = 'qDh/0131sghlY5VD9P7wg9Q6aLp91jmSQuQpYDB4y5I=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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