UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fmuwsNGLTwfRTqMuTfn08x5fjtcRvW06TAhPogW4+Bk=' 
WHERE 
  key_id = '4bc68714b94cf9a17167b6431684e768ee96637342c53f335eb509e940db1501' 
  AND (
    token = 'fmuwsNGLTwfRTqMuTfn08x5fjtcRvW06TAhPogW4+Bk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )