UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yQ4Ly0tleVSy68g+C91xqFftiMkJei+QFvL8TNOCen8=' 
WHERE 
  key_id = '68eed3f5a98ced8ba2cc2159d6f66955a0c6c795e7ab663bd6914dcfc412258e' 
  AND (
    token = 'yQ4Ly0tleVSy68g+C91xqFftiMkJei+QFvL8TNOCen8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )