UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uL1idqjkXDV9/iDm+stIjRTQjTOtPBIPAj19cmL0pxw=' 
WHERE 
  key_id = '5576d722f876af029afcba6da28d7b50f1502d03d012e0872fcb7dfa4ebad4f5' 
  AND (
    token = 'uL1idqjkXDV9/iDm+stIjRTQjTOtPBIPAj19cmL0pxw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )