Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '701e45525a0b7a8365b9861380160d446f0c6352e98ac4337e22435fa342f3fd' 
  AND token = 'UU95f/KzsB527liZ1xSx83O+fxyDuyGbEKkxG11dYAg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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