UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c9250ofa1SRm3JjRBOxgI8H+Qv6MuUl3t6sj32lH0OA=' 
WHERE 
  key_id = '5bc3c105dc017bd4fb1d65752e3d2361c6cb00b9e53a3734e63027027401b897' 
  AND (
    token = 'c9250ofa1SRm3JjRBOxgI8H+Qv6MuUl3t6sj32lH0OA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )