UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yEWAEcInCvlD4fBoih8R4XUrPfv0PI8bUBzwPPYzOr4=' 
WHERE 
  key_id = '81dfb466c9576f5efee7029477030900402f63419e0e5a449b83415ad32930ed' 
  AND (
    token = 'yEWAEcInCvlD4fBoih8R4XUrPfv0PI8bUBzwPPYzOr4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )