UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QrwEYwpUEgisRq1EgwNrZ948ndB+uIDR0Vb1PH+QKsc=' 
WHERE 
  key_id = '51ac8525f3b509ce66718efaea1beb698cd2818a48c1f72a2adc30a050c1c7d0' 
  AND (
    token = 'QrwEYwpUEgisRq1EgwNrZ948ndB+uIDR0Vb1PH+QKsc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )