UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MkLji3OtZgXqYOZ8k3CnDH/nWFvvje4A3NR5aicGPWE=' 
WHERE 
  key_id = '940e02ef072023ac88e5fc6fdf96c7d03dfef7cd9c3bb08899803b0bca35a01c' 
  AND (
    token = 'MkLji3OtZgXqYOZ8k3CnDH/nWFvvje4A3NR5aicGPWE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )