UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QuKKNdlThDvf4Bw21f5KFTrXbqjrmLellCwUy2Kujts=' 
WHERE 
  key_id = '46e84ff122c95418b5123b73cde6ddc3236270d11be33473f03d81ade1b8392b' 
  AND (
    token = 'QuKKNdlThDvf4Bw21f5KFTrXbqjrmLellCwUy2Kujts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )