UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NlJ8AnMvsR8FkdYBitEU7fIqYu8wciHrQn9EWRDSYI4=' 
WHERE 
  key_id = '50f4bcca4357fc8d47f74e2ea95062c2d76a527ea8d84416188a43456a0246ef' 
  AND (
    token = 'NlJ8AnMvsR8FkdYBitEU7fIqYu8wciHrQn9EWRDSYI4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )