UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'njgueu0o4TAipP+C316tHyMUsFcqVjCXq12V+ttYbYc=' 
WHERE 
  key_id = 'ab51cd822c75bcd249bca29f4b3493033d1d5a5531199048add4a6400aa98ae8' 
  AND (
    token = 'njgueu0o4TAipP+C316tHyMUsFcqVjCXq12V+ttYbYc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )