UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RjVZfUIIES0rQYBoabMxb7WY+f1CQKD5te9yEH0xpVE=' 
WHERE 
  key_id = '939cfee818522997bda6b8d317a69c2a14cfcedb5aed75ca28388daec8284466' 
  AND (
    token = 'RjVZfUIIES0rQYBoabMxb7WY+f1CQKD5te9yEH0xpVE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )