UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g9U829zFbf15h8sStmcBnfBMXumbM8eOc67r8g2DQro=' 
WHERE 
  key_id = '18c800cab2233c577392d58a83ad75906eb49f15bab5889014df7ae6195cee23' 
  AND (
    token = 'g9U829zFbf15h8sStmcBnfBMXumbM8eOc67r8g2DQro=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )