UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EkdEzSIorepL8SJj7f3dm6zLXjBd9FW6LjrsDrlS6O0=' 
WHERE 
  key_id = '1bc8185eb980a815c2331f3d5732b7285d35204c1bc41299e28401b819862dad' 
  AND (
    token = 'EkdEzSIorepL8SJj7f3dm6zLXjBd9FW6LjrsDrlS6O0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )