SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'bda77cecfbf9e9b9e0ae2eb2b025d439331b17626245b8b4df75b05a2acc799d' 
  AND token = 'jxGo1hV5VJ/24j/EURyO8hqJw5zdgw14MkO8y7ToZvw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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