UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tVGbXFyDjRxW25zy2ukR2q2M4gNCjNRXdIbNYcKLpJY=' 
WHERE 
  key_id = '6d118fcaca29ccc4691bab5520f45c9f81f47f8a458d22c4b1f4755823019f0b' 
  AND (
    token = 'tVGbXFyDjRxW25zy2ukR2q2M4gNCjNRXdIbNYcKLpJY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )