UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ela2Ux1tknT4wtYsgRcGxC6O2AGuewU2aAMh7eLcnJI=' 
WHERE 
  key_id = 'e1a041137165e898631a2f38f72c15a82de81d74050cac143b4973f07631276b' 
  AND (
    token = 'Ela2Ux1tknT4wtYsgRcGxC6O2AGuewU2aAMh7eLcnJI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )