Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '063a232c60dbddf1cb90674962921219b867518b72a52c63a4847bafc7d9de1a' 
  AND token = 'RECRVnNF79n9GjsmOlSlaQxND6LZytCyLAK87Iiz9PY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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