UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U3LfmhPlLg5eztC2qeLi2zNilTlQUMemxrjz4McwRq4=' 
WHERE 
  key_id = '9520ce062f28507fd89b349cd40f161450c11695f54ca85483999d06e357ba47' 
  AND (
    token = 'U3LfmhPlLg5eztC2qeLi2zNilTlQUMemxrjz4McwRq4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )