UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MjmWpJHnVVRIL50bVHhRXgbQ0wmx2bYnYnnmQZFzzIo=' 
WHERE 
  key_id = '6b52c6283915e36c80424dbffa3a544911999c8dc97b370a5aec020db739e0fc' 
  AND (
    token = 'MjmWpJHnVVRIL50bVHhRXgbQ0wmx2bYnYnnmQZFzzIo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )