Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f9366bf58590ea82f0d04c7214f29040ccf825f4bf90a3d49d4d026cfb9ef7c1' 
  AND token = 'ynX5sxdP+QTqjDDRJWBcrvRp2ytvlRQduakxW6FLkTM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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