UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L51gT8KLCuduVTYvRZItQ0Yqs7NOdaiKhwMITsH1Xh4=' 
WHERE 
  key_id = '18f263291f62968db5dae8c1ef4f71f27e796d80a9cdf07146a84b4a2ad73fee' 
  AND (
    token = 'L51gT8KLCuduVTYvRZItQ0Yqs7NOdaiKhwMITsH1Xh4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )