UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Px/438AAPCr9e8qcTEx3xtYK553bZWfUHWofJx55pUo=' 
WHERE 
  key_id = '6d740c67ee0e7ae2017faf6c86dc546ae3e39fe492c49f0be6f7ac42335ff436' 
  AND (
    token = 'Px/438AAPCr9e8qcTEx3xtYK553bZWfUHWofJx55pUo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )