UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UmOVXtXeLLhwJ+KQ0VudTT7O3sdOk26u0ORJ2xWryz4=' 
WHERE 
  key_id = '8f21d1417d19797e8545da6f1d905ad781a15cb3a68fa8a7c56565aeecf44309' 
  AND (
    token = 'UmOVXtXeLLhwJ+KQ0VudTT7O3sdOk26u0ORJ2xWryz4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )