UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MjgjBrYnPoSbRCPkrHrAcVTZ1C9FbemjhTcBLLuQcl8=' 
WHERE 
  key_id = '6c7a971fa758e993d8f3ffb6bae54fc47d80e9506a03c101aa0c7974b113a6e2' 
  AND (
    token = 'MjgjBrYnPoSbRCPkrHrAcVTZ1C9FbemjhTcBLLuQcl8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )