Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f351eb024d74928c9b0ff68bf7be6bf119381824841f03b2d906cd29d8df8292' 
  AND token = 'NdqZg99kYqqa5q/WObmgGAQyjZP5zoU9qO/qzwHgFCk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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