UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GJV34fYUiXnf/owpKk2ATDqYAbWAsd+rPGTko/Smldg=' 
WHERE 
  key_id = '4eab64f8d0358bed3d09ed18d0c4ab44927204d09809ea621a3283b646fbc938' 
  AND (
    token = 'GJV34fYUiXnf/owpKk2ATDqYAbWAsd+rPGTko/Smldg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )