UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qN/Khprt4KjCb9voQpBpuHYAlj4NbRJ9ibtZEvyE5c4=' 
WHERE 
  key_id = '76dbbd639dc55e5abe3a2590dfd3074b7939a0183ee4d3d316d0e51357734370' 
  AND (
    token = 'qN/Khprt4KjCb9voQpBpuHYAlj4NbRJ9ibtZEvyE5c4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )