UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SXtPkMkh4AHXcIFmI5cQarE83Ys4pvIcT38Ik1NqeWo=' 
WHERE 
  key_id = '7845677872dc76da570d0f53fa8f91c2dc987efd699b95730325baa63d04e271' 
  AND (
    token = 'SXtPkMkh4AHXcIFmI5cQarE83Ys4pvIcT38Ik1NqeWo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )