Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '69d5469d528caa90e15a42678193d0ac3628c7895864e8c8c38c3f1ee9bd8625' 
  AND token = 'ZPAtVUUO93CdcWwqAgShDeAzM8MPH9YNrXQNUHpoBOU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00041

JSON explain

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