Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '739673c05220d9ec96567f51546a32a13fb9f3b5ac8a194b156fea58c0d3792f' 
  AND token = 'BQGcSoDUqmIzD7J+h59y5TWWRJQBEerPTxDqpPbcUz8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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