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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '67e93dae5db7d6b0e0832a5bce9f9a2107a858f5e50b9b370002edb367dc61e9' 
  AND token = 'Lgweu26Rq0YlNB+9gWA+zHq3cE+pxtCt/PfRzNs4S+c=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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