Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7d34639b9923ec4a1fe396d4cb75b96d212f2af518c3f7d1bf2a2d84970d1f73' 
  AND token = '8yndyTNj3039QL2FmM8/z1tQTnJJ6el9oIVoY19eFy0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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