UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+Fog4sct5K7bVFVBJFHz26vfZ5PXN9X85ICw5xSVp2k=' 
WHERE 
  key_id = 'b784ba9361398e8d783d729c624d11ad3d520b4bf194e46caa810c8c10c503d2' 
  AND (
    token = '+Fog4sct5K7bVFVBJFHz26vfZ5PXN9X85ICw5xSVp2k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )