UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sdbs5dqkIDcACMv/nRYfuf9QWT7MRwgb1CxcxUZ6/Xk=' 
WHERE 
  key_id = '69576e2759d8d2a15392f0c33dc0558425865fa58f872ea3adf1bda0f00b959e' 
  AND (
    token = 'Sdbs5dqkIDcACMv/nRYfuf9QWT7MRwgb1CxcxUZ6/Xk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )