UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PPnqbs9Xc7nf9yovipvMrLlljxod1RVow/ILUy3+KYc=' 
WHERE 
  key_id = 'e7096ac11c6505968056dee6c518babea1887ca65797be2de1456054facc345d' 
  AND (
    token = 'PPnqbs9Xc7nf9yovipvMrLlljxod1RVow/ILUy3+KYc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )