UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UnpHUDZ0vVRivJt71KNKck7iugdbE5U26/xrbTULomY=' 
WHERE 
  key_id = 'f15ad2fb909a4611d2a8a930741469efa2e5f144d0c7c8ae0e84d19d3c6b2d18' 
  AND (
    token = 'UnpHUDZ0vVRivJt71KNKck7iugdbE5U26/xrbTULomY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )