UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3i7GkzyFkF8fnJj40a6N4nWeOs2/0X5s2xSiDyl79II=' 
WHERE 
  key_id = 'e8973948973ac2f4bb98c4738e358c4413b54b478e23c870c50ff4117a58084a' 
  AND (
    token = '3i7GkzyFkF8fnJj40a6N4nWeOs2/0X5s2xSiDyl79II=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )