UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kc1q49D0rI88v5E0ICDMpyhxj0NeErWZxCVCdgCfKRE=' 
WHERE 
  key_id = '3f952c28da986752e667944231fbbfcae926b9853cf55e121b48089607c82f24' 
  AND (
    token = 'kc1q49D0rI88v5E0ICDMpyhxj0NeErWZxCVCdgCfKRE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )