UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lcTduHpmAfLs1jYEHSJ3czVzFdLj3UFC7XsuDZrO8RY=' 
WHERE 
  key_id = '4d4c0c6c4bf8a59f8d3b115c5e7841d31865e2f774f5a6f172c8658ea4a8f6a0' 
  AND (
    token = 'lcTduHpmAfLs1jYEHSJ3czVzFdLj3UFC7XsuDZrO8RY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )