UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PDZ9yIZH3e/mu7+3pV0ty2cv3SJn4+G508yzNcsFybE=' 
WHERE 
  key_id = '758c90c34f452a1b631109ca9eb317e0bddfab74a72f8d98209f56401f388774' 
  AND (
    token = 'PDZ9yIZH3e/mu7+3pV0ty2cv3SJn4+G508yzNcsFybE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )