UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r4GVMJJXghjhlChQpS5ulNtnRePm7/HNscTGOno6w58=' 
WHERE 
  key_id = '6e81dbdf008916d3f1ef194b1d0eb8272d5e840aecd8e5be250c7726557715c6' 
  AND (
    token = 'r4GVMJJXghjhlChQpS5ulNtnRePm7/HNscTGOno6w58=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )