UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6kRgxOAOtF0kEMaeIrQJfIZHgT6xVwwX31YDncqk/hc=' 
WHERE 
  key_id = 'c477a767cf33550aa74cfafd6005d103f1ed1dffde2061d26db0962317dae34b' 
  AND (
    token = '6kRgxOAOtF0kEMaeIrQJfIZHgT6xVwwX31YDncqk/hc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )