UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LkmzBMKld8q2vIVtKk9fYyinSlYFxNU+7LPbgrhOohE=' 
WHERE 
  key_id = '2575351584e6c8764d3843835477e38ac1cf85aeeac4f501d93bc8dd5c8c34b6' 
  AND (
    token = 'LkmzBMKld8q2vIVtKk9fYyinSlYFxNU+7LPbgrhOohE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )