UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fRC5ev4GvirxnTNL9QeF0xTWZoqHW75qS3h71GoYMm8=' 
WHERE 
  key_id = '975306a33059298f6271f114ea8d4e7daba7ac01cd47f008a0e24e548520f5f8' 
  AND (
    token = 'fRC5ev4GvirxnTNL9QeF0xTWZoqHW75qS3h71GoYMm8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )