UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/2op/Gvs8OBd/8NMFFqJXfvqT1giO0N2hNNh5DKLrC0=' 
WHERE 
  key_id = '4c11bde3a990b30e1f2dc4c63385f610581fcadc1a5929a4de8bebfc38cf29e2' 
  AND (
    token = '/2op/Gvs8OBd/8NMFFqJXfvqT1giO0N2hNNh5DKLrC0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )