UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P4TOPnS9NOBzBRMNiLlCQG/VML4L7hbI0gn35Nsf/w4=' 
WHERE 
  key_id = '519c476e503d8298de3b890ad6fa0e5430b873378ba694452e7dc90f7718355a' 
  AND (
    token = 'P4TOPnS9NOBzBRMNiLlCQG/VML4L7hbI0gn35Nsf/w4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )