Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'c1e436ce6b61f3c06bd878112ec9cdcee696320b614cc0226fddbe7011b18de3' 
  AND token = 'TyWFYsloQOsVnDLEyh2GZt6ThjqYX/Y68rsBgvbUfGo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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