UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S6vsT36jaeXqn2thTqrbAgYidah65nLQlJ0PFSuHoek=' 
WHERE 
  key_id = '314432a8012708084c5bb2e7708215a17563aa6fc797af0aed2eccb115918254' 
  AND (
    token = 'S6vsT36jaeXqn2thTqrbAgYidah65nLQlJ0PFSuHoek=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )