Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '60451462cd092c49e2bad737409b58cdab850f91820ebac899c966e2924b1195' 
  AND token = 'GBKYOh8PhhERUM96LJ0UE6XFyAGbtUGoiQKFjp9aEWo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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