UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dn9cDTYrlntWMwxI9Mr/9Bv3uGEZlgtiwuZMJPuUzKQ=' 
WHERE 
  key_id = '55ba28fc7a00189f53786d783aa9936090083d8a2c183e056f81af6320dd09ea' 
  AND (
    token = 'Dn9cDTYrlntWMwxI9Mr/9Bv3uGEZlgtiwuZMJPuUzKQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )