UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PjNis/hM0VkPFtBoM1GkGaDnNY4KIccaHy8Nd2Z9O1c=' 
WHERE 
  key_id = '83838a5494f603ce3dc1f860edf28f3c5fb03a43625a80edfe8fdbe097433984' 
  AND (
    token = 'PjNis/hM0VkPFtBoM1GkGaDnNY4KIccaHy8Nd2Z9O1c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )