UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BL4x/WujrFF8F8x4gRqlrMsuITHRkaEIZ/QC5xXFcL4=' 
WHERE 
  key_id = 'e1bd7339c4bce135cdf300ab73c43d6b79a17d8bf95db95a172808a1260d3548' 
  AND (
    token = 'BL4x/WujrFF8F8x4gRqlrMsuITHRkaEIZ/QC5xXFcL4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )