UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RhxDyrE7EUY1lOqBXeXZFWJTwzTAjzC586an8dDMbfU=' 
WHERE 
  key_id = 'e610898c3f0246273d49ccb642c923c43f45aa403998c75671c0473d94ae0e06' 
  AND (
    token = 'RhxDyrE7EUY1lOqBXeXZFWJTwzTAjzC586an8dDMbfU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )