Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '083d922662480fe9a4e39b0ef24a01c1086144370172917a2fe2de149dd32e55' 
  AND token = 'Mqs4q6hgB7qfoYHf+Y+2UlrmUYnDoYdOO65huiv+Ihs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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