Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'fa32dbd7f29b307cf00523d38fef76c7532429c96eda17ac759c5391bb8549a4' 
  AND token = 'E9CjDoeb0nghuyeHf72hhvC6n9a4z2oo8VuyWZrA6x4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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