UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qqq78QWHpMK526zz1fc3YMWMubyiK70Dvqmz4+7i0nk=' 
WHERE 
  key_id = '3d624531838268d4962d24017626b4e809d304ee0efebff3af9685bce36b4fdd' 
  AND (
    token = 'Qqq78QWHpMK526zz1fc3YMWMubyiK70Dvqmz4+7i0nk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )