UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tMxeQtXT1UJfWkhv9wL5NO+ZNOPX1E8yKqa/GuloN/w=' 
WHERE 
  key_id = '4e50e218e647389141e8767e17136b63b6cfa037af8a9d2c53a30748f48f7a61' 
  AND (
    token = 'tMxeQtXT1UJfWkhv9wL5NO+ZNOPX1E8yKqa/GuloN/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )