Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '66196170e1ae8019902d67650912cf6cdb1cd0c979222a36034f0ca4c9b9e8d0' 
  AND token = 'Ytu0fTOO2Nr+2+KHsNw1QMDe5nN7JnC4suruaxSdrQQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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