UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CdtN5EnpI0sIuIGE9VRSwA0G9x1QaZUb5T6ymvCmvjA=' 
WHERE 
  key_id = '8a68cc6fe7f5823b41fb680805f81668cc4300d1bc621290dfd2abb142196119' 
  AND (
    token = 'CdtN5EnpI0sIuIGE9VRSwA0G9x1QaZUb5T6ymvCmvjA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )