UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zh9C1Xrp7tUUSro1GYDDiAMREtMDRIRzrLxFksnuONU=' 
WHERE 
  key_id = '4d97a8d783f71f8ca14e4814b55c084fbdf340251e717b3367cf7e05b1328863' 
  AND (
    token = 'Zh9C1Xrp7tUUSro1GYDDiAMREtMDRIRzrLxFksnuONU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )