UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EmNHSrXetCHgjAjfNfyLyeOcfHeyVmONyBzTwLYVpMU=' 
WHERE 
  key_id = '817c636be1048fdc75fdba867ae3ad9a2c00554273b6a1a78fbdd3dfb42d55b6' 
  AND (
    token = 'EmNHSrXetCHgjAjfNfyLyeOcfHeyVmONyBzTwLYVpMU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )