UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M0pUe0JkHl9C7YRj3dDJ5nHifk34vpJQjRwuYRtlgtE=' 
WHERE 
  key_id = '6c90ad96bb5a121e60cff5f5ff939714c40821d22290e1bb6645a41b750443f6' 
  AND (
    token = 'M0pUe0JkHl9C7YRj3dDJ5nHifk34vpJQjRwuYRtlgtE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )