UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ySr+hfrLm1lctYa0TAMZIePG7PjaUgTDAqITIvZrfS8=' 
WHERE 
  key_id = 'feb3efb2756d3287b601a3037dc12737c68ea9205fb59cee3eb9797487afd381' 
  AND (
    token = 'ySr+hfrLm1lctYa0TAMZIePG7PjaUgTDAqITIvZrfS8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )