Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ced412a475afb81c776f74e8e1360eef53c16dbe0e74172e6a1124022e34b04c' 
  AND token = 'YiDCiNP1RwZpWhJ0qBfwOyLgMl28sAupEtMZWbdccos=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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