UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kRBArOnE0Rg+EulghDTTmaNjhKQi3+zpbEzGpaIvMZY=' 
WHERE 
  key_id = '91d1f1677b778051f15f305202c682445325e947198607b58e9314d373ab229e' 
  AND (
    token = 'kRBArOnE0Rg+EulghDTTmaNjhKQi3+zpbEzGpaIvMZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )