UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mEZ0Q7L8UWA5HMNut1RvL6/NlZoxaKs4bteBUPsgX/c=' 
WHERE 
  key_id = 'fb59da846f3675487621f2da3f9f7fdf30c6fe4db07ac89c953128c00d96c728' 
  AND (
    token = 'mEZ0Q7L8UWA5HMNut1RvL6/NlZoxaKs4bteBUPsgX/c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )