UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mgk6p6xuC+tOPH0ZED+0MN9HoCdJfLaZIblNTO9X7Wg=' 
WHERE 
  key_id = '49113b3685976f82657e4a00469bbd24f2f272991fa42276b62e0b2dca8bf96e' 
  AND (
    token = 'mgk6p6xuC+tOPH0ZED+0MN9HoCdJfLaZIblNTO9X7Wg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )