Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '40305e5e9063a68a7fc2b01297c5c7e01149459fd37e324e55c0198e7473970e' 
  AND token = 'N1KVZnHBe/HKLcDHecw6Z7oG1Ft48KZhElzAh4sI4x4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00047

JSON explain

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