UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AWKUj5waT/A7bheZudghypOjoNeMu2YX9cOH3vse2XE=' 
WHERE 
  key_id = 'e71b4ab6542ed0059b606da5291467e6057bf60585e1402775540f4d52a51c52' 
  AND (
    token = 'AWKUj5waT/A7bheZudghypOjoNeMu2YX9cOH3vse2XE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )