UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D5HhpdL45H4cpnsTDU8j7xh7uiycDsDK1n+ABeGwUAE=' 
WHERE 
  key_id = '7a2d887f8f65301f961c90bae0d546b3e30e468ed52134a266df7187d47dd101' 
  AND (
    token = 'D5HhpdL45H4cpnsTDU8j7xh7uiycDsDK1n+ABeGwUAE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )