UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PlnbhMkMGRqjLUqWRcZC+9amKS41gGXgqSCl8p31/RI=' 
WHERE 
  key_id = '4f5fd7fd458e3f082af8aeee5ee9ba5ecd3a18cac4ca27ebabddbd0ec42f0984' 
  AND (
    token = 'PlnbhMkMGRqjLUqWRcZC+9amKS41gGXgqSCl8p31/RI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )