UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MhX7im/INPoBSjw3xORtDSgLCqr8mzVAmmVKkc+SlVU=' 
WHERE 
  key_id = 'cd02e1f140ebe296b1d962d422bf20a537f2aec70e3ffbc1b3f533fa6e793ad1' 
  AND (
    token = 'MhX7im/INPoBSjw3xORtDSgLCqr8mzVAmmVKkc+SlVU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )