Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '3acb77f8aeeed471e390aec4b94564cd19069a31b06d99cdb8dda3398b36f4f7' 
  AND token = '3epb7VdPeOg9UX1bSk7xepBQHkrx/0vugYsWLFJDlZA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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