UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DGtbm64iEBo9kbKL2JxaWsCeW0YiZLDZ7jFh4t5H1jw=' 
WHERE 
  key_id = 'b66c5ca4b529b8656fef6a246a783629e58a11bae1f011ab904779619f06a754' 
  AND (
    token = 'DGtbm64iEBo9kbKL2JxaWsCeW0YiZLDZ7jFh4t5H1jw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )