Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '12d34d9ebd62a609a7ac8ac32501ac50947bc3622ec074297c69dae69c4fe3aa' 
  AND token = '5S0TwC5E+VqTVwVFASkSbqfFtylDGBsWp8jAlzkeLw0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00034

JSON explain

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