Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '05061f30ae0f1d1ec2d4e18f3758707c19323f36386e1bdb9a95359bdbc3a54b' 
  AND token = '06C7tjUp4JisONQsQvLpiKWCMNAa4koCyXOKSVThtBE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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