UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n8vodD9ecTDXapwLRIT7Y3fYH+rSiY86RDvxySDEAfg=' 
WHERE 
  key_id = 'acd04bbe9883587c9131551351b2d66dd698dbfc636e19c5a3ef2ea56f77afbb' 
  AND (
    token = 'n8vodD9ecTDXapwLRIT7Y3fYH+rSiY86RDvxySDEAfg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )