UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FhNUSehIivkKAiNhWrEUuOnJ3myl5OsfB7liUiOrk+E=' 
WHERE 
  key_id = '440ff921793bb39a24179e684dec8dd14d3cdc14761b1e1fa0e7e6431226e402' 
  AND (
    token = 'FhNUSehIivkKAiNhWrEUuOnJ3myl5OsfB7liUiOrk+E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )