UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '16lVQ56N+ZjSokX/MxUnNCzuOfDDvaUogBhQ/LlYJBA=' 
WHERE 
  key_id = '242f5ff757fe1b9c81f5c59f9deec720d0b09e64d793b99c8416d48a5d851850' 
  AND (
    token = '16lVQ56N+ZjSokX/MxUnNCzuOfDDvaUogBhQ/LlYJBA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )