UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YezqPhhuJcOlgfLhHf6ynBkUv7uJbPkEvQiR2an2DF4=' 
WHERE 
  key_id = '977aeb0a1fde82a555b43e4c38e129c68d961731449406fe679117d97a80850a' 
  AND (
    token = 'YezqPhhuJcOlgfLhHf6ynBkUv7uJbPkEvQiR2an2DF4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )