UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z8uqSti2MFK0e+dYHm1tOck/fpDnYwhn9rdJ8KbkKBE=' 
WHERE 
  key_id = 'ff3fe6420fced60c681edfe732eeee53df75067b369162c0d67ac961f2400320' 
  AND (
    token = 'z8uqSti2MFK0e+dYHm1tOck/fpDnYwhn9rdJ8KbkKBE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )