UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xgi2cLJ8DICNyvmFXe2nCG8Tj2nUsXXR+FmNUzw861k=' 
WHERE 
  key_id = '5f0b0345155f9031bd298f047637b98381a98b507d29a1c3d91eca3812373b36' 
  AND (
    token = 'Xgi2cLJ8DICNyvmFXe2nCG8Tj2nUsXXR+FmNUzw861k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )