UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zfG3mnqr9uY0UVm2DCZgpbB6A79LGrUVoHjhV3bGHT8=' 
WHERE 
  key_id = 'e6bcb9c29d4725e0a728f705e0e7e99e3787814b562a67b45830551af256b5e7' 
  AND (
    token = 'zfG3mnqr9uY0UVm2DCZgpbB6A79LGrUVoHjhV3bGHT8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )