UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R8k+Ue+HEYFK3TfrMuhhr52slG4ClzAcYi/tjUPoGu4=' 
WHERE 
  key_id = '6bde5ce48c26cc60bbd7fd45ccacaf1160acab89a63ca42ac3ffbdbbfa76b599' 
  AND (
    token = 'R8k+Ue+HEYFK3TfrMuhhr52slG4ClzAcYi/tjUPoGu4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )