UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xtz6mtFQweKkFlim2JE0BCZA0Tm2dM9EzWF8cgk+8Tk=' 
WHERE 
  key_id = 'b15f69b4a9382f4fa0e39d2bd722d23b7738c529a5d07283a72d4393ed8efb6b' 
  AND (
    token = 'Xtz6mtFQweKkFlim2JE0BCZA0Tm2dM9EzWF8cgk+8Tk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )