UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BXcFLMrPITL0dQk9/cxpDoD4VCZX5jhGrIMRN5PKDog=' 
WHERE 
  key_id = 'f4240191cfedf62fbc98b4d1d478881415d0e0cad1a773fad06149023ff9e479' 
  AND (
    token = 'BXcFLMrPITL0dQk9/cxpDoD4VCZX5jhGrIMRN5PKDog=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )