UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NNlh3Lhn3xAhZtbzgiv7EbIDjqNF5OvOAx5JcaDEVCI=' 
WHERE 
  key_id = '7e8dc1c44e23b9d7965a3cadef8674e654a5e887606df86aea1dc30daf86f855' 
  AND (
    token = 'NNlh3Lhn3xAhZtbzgiv7EbIDjqNF5OvOAx5JcaDEVCI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )