UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R1MnBuNNUyDdHNmSUEctPltXLkQOqq/PGxLCRoKba7Y=' 
WHERE 
  key_id = 'eeaf577215210dd722d9d79d2d47065023e3af2bc728d00c289eb125901af545' 
  AND (
    token = 'R1MnBuNNUyDdHNmSUEctPltXLkQOqq/PGxLCRoKba7Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )