UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HW/UHhft7d7lh5QbAh4lykMUi4O1XDFpuMahM4RmCKs=' 
WHERE 
  key_id = '918d63debed74796f945467045cb1fa34477731a53424a100ed305f05d716d38' 
  AND (
    token = 'HW/UHhft7d7lh5QbAh4lykMUi4O1XDFpuMahM4RmCKs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )