UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yyfXo6ff9TIyr2YTSQVKZ0yzrjarXEWX0jsOZHxaW+4=' 
WHERE 
  key_id = '29651330bce6e3b1f1245adb0a5c473069d0987622e4881012f825788d02287a' 
  AND (
    token = 'yyfXo6ff9TIyr2YTSQVKZ0yzrjarXEWX0jsOZHxaW+4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )