UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rgQb98mPpz15dlA6W6YAe0P7FsbSHFyVXYfksFyM4mU=' 
WHERE 
  key_id = '841f7cdb0c5378498e1c309b1d90317a89ba3de09e90e590f550ff1292731d6f' 
  AND (
    token = 'rgQb98mPpz15dlA6W6YAe0P7FsbSHFyVXYfksFyM4mU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )