UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Uxdk3INiwazoNqOSjS1LKuW1sLSTCockY+W2hw5Gpoo=' 
WHERE 
  key_id = '53e52b03803da6b26def22ce00b3de739216d07d8737a8cd532901658de5bf22' 
  AND (
    token = 'Uxdk3INiwazoNqOSjS1LKuW1sLSTCockY+W2hw5Gpoo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )