UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mt6XdiG6SJXGTEkVcCmqmF0Ytd7QIEwGBfE9ahw/9fg=' 
WHERE 
  key_id = '6f0dd7f302d8bde73d35e3382209abc40aed910ee902f0934d8987cdd8b39817' 
  AND (
    token = 'Mt6XdiG6SJXGTEkVcCmqmF0Ytd7QIEwGBfE9ahw/9fg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )