UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CCCb+PovYE/CUA4teQK2JcOqgfilfmbbNApYHvIWc+Y=' 
WHERE 
  key_id = '20659d2f563cdec48064a570957fc5de33b3688631922be69a6919362e7db08d' 
  AND (
    token = 'CCCb+PovYE/CUA4teQK2JcOqgfilfmbbNApYHvIWc+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )