Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '07754db3932d42c1c6e9884e99ff7d2b401e017667abdcb5be195d732c7b4571' 
  AND token = 'qA6T8sR1OOqmvkCmW4LCQc2z/G2lCw48JQMXtmbUrxo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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