Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '85c82f4c29cb7f52996bd356f487fc38bbf5fc3d5785e2f05ef6e250773d2f8b' 
  AND token = 'K72CU8+qurGmssNHV0KAPrNFHsaSZnnh06VH9l74+y8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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