Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'b591c8fe1e46fc54a458a3caba29cfc55db2e6c26a3093efb207a7b54ed86564' 
  AND token = 'wWopICd2RFBv+Abagvd/L8XqSczQ+3ZU726ppi61xIU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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