Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '105bcd2a43e953308626c9eb5213abfad2e7c09fa8b1061890a7b81ee02eae54' 
  AND token = '2dNGxsbUHRT32mEu0tFwjFt7eoqPrr3bGfEcScAh8dE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00049

JSON explain

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