UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z4w/YdvJlujDDXGPeZX2DlIXqD+xU0GzWldm5zzxdCk=' 
WHERE 
  key_id = '7a23f50a1ea77bcc70083dd494e0e383e3a9346ec631b2bcdbf20fbb6e0fbfe3' 
  AND (
    token = 'z4w/YdvJlujDDXGPeZX2DlIXqD+xU0GzWldm5zzxdCk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )