UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uMlySRArZCuvC3Ap1dwRof49bsSiBYN/c3mj0APXnDY=' 
WHERE 
  key_id = '4092557657977851e85b4a94c867f8ac588553053449f59d794fea8ec2833e07' 
  AND (
    token = 'uMlySRArZCuvC3Ap1dwRof49bsSiBYN/c3mj0APXnDY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )