UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S5u5H9KkaW6iQ1Vaumx/X0UOsTP88CnebS/u0uY0lBY=' 
WHERE 
  key_id = '4a6b21b5555bbb26179459eef8aae97e30500b5b2ae54cb0bc955b9c82e4d891' 
  AND (
    token = 'S5u5H9KkaW6iQ1Vaumx/X0UOsTP88CnebS/u0uY0lBY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )