UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zz5rqh4uQpMLTv3aAbjiiPwDYlPBB1MxXdeJmSS4QnM=' 
WHERE 
  key_id = '4ea0dc1bd74ec9dcbbd6f115a51d80512090fb1f8d39884b17539c780cb94968' 
  AND (
    token = 'zz5rqh4uQpMLTv3aAbjiiPwDYlPBB1MxXdeJmSS4QnM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )