UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MWOCZzG/Ts69Cu52m/Os+ngK91tx7OePOTqMI/0ghp0=' 
WHERE 
  key_id = '6640ed60c501203d504bda08722c59124136fe166785d04fcf622fb5ae3b1262' 
  AND (
    token = 'MWOCZzG/Ts69Cu52m/Os+ngK91tx7OePOTqMI/0ghp0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )