UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K/PIxSZmz9HRfMirtqel9q0vDadYy9fOnwTK95Nqb98=' 
WHERE 
  key_id = '4ccbf7005a46c9734798c88a2f1ec4692557816b8a03b7dde689feee7499e303' 
  AND (
    token = 'K/PIxSZmz9HRfMirtqel9q0vDadYy9fOnwTK95Nqb98=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )