UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g8Dvugf+xwF8p/X81yZRFbTttv6fEZINslwvxQFY2kk=' 
WHERE 
  key_id = '338e08a377e09e4b92d562c8f41da39e50cf113547e487343bbacd685bc70964' 
  AND (
    token = 'g8Dvugf+xwF8p/X81yZRFbTttv6fEZINslwvxQFY2kk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )