UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Me1lCY/FPl6VUOv+DhaJylFbThragQAX92A5MCBh0uw=' 
WHERE 
  key_id = '7716fb50eb5aa39bf1a153365b29ce7852df70b94881bc94d75d5c2290298d15' 
  AND (
    token = 'Me1lCY/FPl6VUOv+DhaJylFbThragQAX92A5MCBh0uw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )