UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nNdzakcXXitBqgW54rGqygiRJXD7HjNSk5Rcy+VG9ME=' 
WHERE 
  key_id = '8fe975dc3142d90bc325902be295c2df3bb1e7c17141cbd44609b31aae786e61' 
  AND (
    token = 'nNdzakcXXitBqgW54rGqygiRJXD7HjNSk5Rcy+VG9ME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )