Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '6cc3eebc2cc70348c29e8e985a742425f82519c5123a32e1c3ff204e6da3903d' 
  AND token = 'jjys8lkAXZv3a4v7ZEZ5KwMAibuAb5e/o2rwJ3joX20=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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