UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UNCGSGyZ9M87vuFgua5TX3OnW3aL0V3tyPRnYEeXiT0=' 
WHERE 
  key_id = 'c43f357760859dd4d08b5eaf7af8f626719f601c88b440997e26258c9c9d2762' 
  AND (
    token = 'UNCGSGyZ9M87vuFgua5TX3OnW3aL0V3tyPRnYEeXiT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )