UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qy6D2BSlguaXTxaXRwtAJkNXDkbx5XAOECMXBpVVUS4=' 
WHERE 
  key_id = 'df6a60d4c6d8099bc3e4f3e1869dc28f472fd515b8016bddf042d4326272df8e' 
  AND (
    token = 'Qy6D2BSlguaXTxaXRwtAJkNXDkbx5XAOECMXBpVVUS4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )