UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bi/vvFXyBwJV5gWQb99E0OMOuM565bx8iaZk20OjwPc=' 
WHERE 
  key_id = '21f5cc1603026725097ca7520e77f17cd1540b4d53c5386c3a5addf216d77026' 
  AND (
    token = 'bi/vvFXyBwJV5gWQb99E0OMOuM565bx8iaZk20OjwPc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )