UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r/p18qn44ATMnbLpjqjCdp0CNsUdE5k0yHN0rPkwwow=' 
WHERE 
  key_id = '0c4653978b0b8a6c46cec7fe931420942f18f90b279d374772d1caf455193ad6' 
  AND (
    token = 'r/p18qn44ATMnbLpjqjCdp0CNsUdE5k0yHN0rPkwwow=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )