UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ztE4vrCoQfPUFtdUV7sWc7pc80pQ0lEOmMlKPL7X6yY=' 
WHERE 
  key_id = '841f279f376eb21df6f1ba2475f759c52fa1783237e06e312603964b0ae22149' 
  AND (
    token = 'ztE4vrCoQfPUFtdUV7sWc7pc80pQ0lEOmMlKPL7X6yY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )