UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Epi2cd50KDPuk+YT7+l1c//xiWa2yZZQfAFkh9QhRbQ=' 
WHERE 
  key_id = '78a986fbb7242a74a3c944ceedd54d55bfd2fe92c3aa26d6d86047dd9dc786a2' 
  AND (
    token = 'Epi2cd50KDPuk+YT7+l1c//xiWa2yZZQfAFkh9QhRbQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )