UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k79UHXaCx64gEiRQiGejrnXAjJcsoVtbDcLtpd1hlus=' 
WHERE 
  key_id = '8d560c5c3cecbb1925c5897af9dd9da3f6cfc8c1b0ebffc53556100c7d8463cc' 
  AND (
    token = 'k79UHXaCx64gEiRQiGejrnXAjJcsoVtbDcLtpd1hlus=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )