UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6cZ1MnrKSdbi99mD45GEYthb1njMnIWEM22XmyKsH1o=' 
WHERE 
  key_id = '93819a7b3bff14fb97835d291581b2ca8ff5bf2c521b78b10cb325513ea27091' 
  AND (
    token = '6cZ1MnrKSdbi99mD45GEYthb1njMnIWEM22XmyKsH1o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )