UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mVYBk7zAtMjCwX7B++uVbZAC1ftyHgGqYWSm4Dtzefs=' 
WHERE 
  key_id = '7850fb72c2a950ac8e33b7ee525afac091305f2522fe8e88616185cc918e2391' 
  AND (
    token = 'mVYBk7zAtMjCwX7B++uVbZAC1ftyHgGqYWSm4Dtzefs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )