Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0a1a858dd484616dfa57882f4f69555df5e51406ebe626e5cd571ced1ca15fc1' 
  AND token = 'ogYlpH2ia0pPljlKHs+YszIzINpQmKsOxIVk+tbefiY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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