UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gJI3+ym0bC5KIS9x3VwgXvLF2oGRZERi4C6OqBRnYns=' 
WHERE 
  key_id = '91b4f48295f32d09623a995a13d9d32d8df800e274f4b6794908de95f35705c1' 
  AND (
    token = 'gJI3+ym0bC5KIS9x3VwgXvLF2oGRZERi4C6OqBRnYns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )