Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bbde71f712b069e0a050f10932b68ee24223ad5f80332e226331fcc60b8a267e' 
  AND token = 'nVzaiqgBUx53q7/2rfyb8hHjnJf4W2J2ERoUjzQH7gk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00014

JSON explain

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