UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UMn9A8pi15FSl8VkNfvwLeRhAYfxHpR7N9VqAnTHqoA=' 
WHERE 
  key_id = '91f1d77c62e035aba103973faf1013ec05322c68b04fdffaf94e719d85236d1f' 
  AND (
    token = 'UMn9A8pi15FSl8VkNfvwLeRhAYfxHpR7N9VqAnTHqoA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )