Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '61101031cbd514279388169ea9db139b09e77b24c474f97ead27f93d1b7b059b' 
  AND token = 'RhUC8RrF64DEnxornJyJhGQOOFTKv2qJ1z+S3YH5orc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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