UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BcE9pt54jiOzAAv4iGCg5hUGg6TyqX7b6hFT/CAMrMY=' 
WHERE 
  key_id = '791e3685eef4aec618a7f31978c7d1765999c57dfdd608f74f749dbd2167f184' 
  AND (
    token = 'BcE9pt54jiOzAAv4iGCg5hUGg6TyqX7b6hFT/CAMrMY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )