UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r/ljrsz8ZbOQm8Y/QUg/U/8mXg4Lq1xK7X8pUd5qzLg=' 
WHERE 
  key_id = 'c750626c95e30d75ada41327146fe8e6bae0acead30d3ab51418194d4e8a0976' 
  AND (
    token = 'r/ljrsz8ZbOQm8Y/QUg/U/8mXg4Lq1xK7X8pUd5qzLg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )