Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7a25627e71e301fb7a2eab3a035f13f82499e3ef28a87d85140c5b720737a606' 
  AND token = 'YqpOTow5aAwv46tfBDhlHyH5IcBN1OWQ9YvbTfSRw20=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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