UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EdwZqYqsnXEoik8DYzGPyUOjxb5OZGuVETJkvVHW2MM=' 
WHERE 
  key_id = '68265315e1f9cf7ae944116d74b1a23c115e4f94935a5fc6986555ce70391853' 
  AND (
    token = 'EdwZqYqsnXEoik8DYzGPyUOjxb5OZGuVETJkvVHW2MM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )