UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ddUTMMqHuDk7bEzUxqNDyToPE8mVE5iVu6fe+/wlxfY=' 
WHERE 
  key_id = 'a8420cf0ff143fcf518d533897872059487479451e62f7a5babcf326d05f9279' 
  AND (
    token = 'ddUTMMqHuDk7bEzUxqNDyToPE8mVE5iVu6fe+/wlxfY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )