UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8aBDnMnql4hANN2oLIHZYFgqYWO9cGDTK1E7alkYWUM=' 
WHERE 
  key_id = '6c48484f51927ae70330c30f22e803e02b09e19a1747ffe6cca8a2c57e28896f' 
  AND (
    token = '8aBDnMnql4hANN2oLIHZYFgqYWO9cGDTK1E7alkYWUM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )