UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PQrkM7hdV077A9QoK9eOPYzCyBIi4xHmG8xDOUjampo=' 
WHERE 
  key_id = '82438685bf61220c440eef2a9592857396c15526ffda0d803cc95fa635ec7263' 
  AND (
    token = 'PQrkM7hdV077A9QoK9eOPYzCyBIi4xHmG8xDOUjampo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )