Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ca093cceda46f0730b5410461c24b5e09c45450f38483fe4f54bb047486c54fd' 
  AND token = 'h5zfJS6EncmK2FuVj+r7b0Qc093UMKpaiP0Fci2h8UU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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