UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mjb3UXiZHGe+ohLW4r7rEd5UV85wmWSQgVVdSo9hlAE=' 
WHERE 
  key_id = '4ed7858f1e7c012a311bef00d62bf67b59489dca6f8afc0348dc932607599bf8' 
  AND (
    token = 'mjb3UXiZHGe+ohLW4r7rEd5UV85wmWSQgVVdSo9hlAE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )