Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '08d07efb0474ddba2b9179d25574d67a521fbf28d11d10116890260c4e09e2ff' 
  AND token = '1SGaRFpv4eQd1YUeY4JDLg1HeJvmAjz/X1Tq18QUhOk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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