Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '149534441dcbae31a69b645f6605caf236387523cc64ab605ae5bacf81d864fa' 
  AND token = 'eyZqa26fDUaOj1UHk6mQR7bSahJYIZk19okLkb0P4QU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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