UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '83E0BsS9lzmEm2g/M3zqPAm77AG+KmvYchgfLjiSeNg=' 
WHERE 
  key_id = 'c6ad66a3f8f3ca057556a4ea02d8d0510c0291c9d5f774cfa32d270b16fd9d4b' 
  AND (
    token = '83E0BsS9lzmEm2g/M3zqPAm77AG+KmvYchgfLjiSeNg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )