Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'cc890a62a6928d0f972340add04b90040cc4d8fa58c6585d59a586fb484d436e' 
  AND token = 'HxCiILm7PzLvXz8UeesIvdn9LUXEsQtZskrzMWDTer4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.01405

JSON explain

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