UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Tt7K6YQvez66B0piYEV99zTgHlXbwOH4RWQe/i234cU=' 
WHERE 
  key_id = '4447bf38e18a52c985843dc8342dcf1fd5617afdf42a18d41c5688e8f52401e8' 
  AND (
    token = 'Tt7K6YQvez66B0piYEV99zTgHlXbwOH4RWQe/i234cU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )