UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n/oPfLGRE8lIVY7ujgOhIMlJaiZAIAfihQbK5iQLUF0=' 
WHERE 
  key_id = '6a7aa4196726b2a1ea5114e47a1b9eb7b450de7bc77711dbe10c8f28b462691f' 
  AND (
    token = 'n/oPfLGRE8lIVY7ujgOhIMlJaiZAIAfihQbK5iQLUF0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )