UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rm5m9PA4uwuqREGzWv9psq14SPPDl+uGYATZb7nA4QY=' 
WHERE 
  key_id = '8c83b01689af48c114ada35002b73b9e147fac5164065f35d87dad757a3aad89' 
  AND (
    token = 'Rm5m9PA4uwuqREGzWv9psq14SPPDl+uGYATZb7nA4QY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )