UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nxOuIqUxpfydg1Gbax4AVyC1IzytGA5tc7wjjGU6qZM=' 
WHERE 
  key_id = '15f8daf0400f06020b114b7e932ed0f7d1c11946698695b68a3460e032989501' 
  AND (
    token = 'nxOuIqUxpfydg1Gbax4AVyC1IzytGA5tc7wjjGU6qZM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )