UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IKxuDaqu47XcAZ1h0IuXRu1ILnvHLqSpE5HH/oYeU9c=' 
WHERE 
  key_id = '68cfee7c4b55225e3ad0e3526c007d7047c0af431dec620c14fa4810e1594e48' 
  AND (
    token = 'IKxuDaqu47XcAZ1h0IuXRu1ILnvHLqSpE5HH/oYeU9c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )