UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k/n0JkeQd0lTVYnzdqYKbKAnxCWSRyhDXhpuyPYPWLA=' 
WHERE 
  key_id = '2e1813cca8ba9d52be9850a4d8537b268806e9a6604e5722a90a068ceae1236d' 
  AND (
    token = 'k/n0JkeQd0lTVYnzdqYKbKAnxCWSRyhDXhpuyPYPWLA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )