UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KM68WyYwL9ZSLafQF4H/xk2o4cRosYvvdDjyyXUg/KE=' 
WHERE 
  key_id = '4fd11b1f67e6d620f89470e4608f30f597b3385bf6847c7fcf1ddf3f810f5af2' 
  AND (
    token = 'KM68WyYwL9ZSLafQF4H/xk2o4cRosYvvdDjyyXUg/KE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )