UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pDSROxwPX2I7C6vWC7F2h8ckYFEgHRVu6UDayGRiGNo=' 
WHERE 
  key_id = '797cffef40219f74134afa7be528d5fc85993270e24baae4eeef838743fc8e35' 
  AND (
    token = 'pDSROxwPX2I7C6vWC7F2h8ckYFEgHRVu6UDayGRiGNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )