UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pak9hPHKYuz9EUjohvOtKmJ3glnxISf9H0qixsw24Uo=' 
WHERE 
  key_id = '8f2b78ade578cc3a477fe0aed07564fa49081432438963d5930fe26bbf389c89' 
  AND (
    token = 'Pak9hPHKYuz9EUjohvOtKmJ3glnxISf9H0qixsw24Uo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )