UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mGUchMvi/ekrVGSy41sN9+f/dE5TuVYRI+JvljV9mOc=' 
WHERE 
  key_id = 'd6c1b1c9a9687cef3b8391d9914b45ac28416e5e79991c76cf9595e7c336d35a' 
  AND (
    token = 'mGUchMvi/ekrVGSy41sN9+f/dE5TuVYRI+JvljV9mOc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )