UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W7VmTMzo8eI2R+IFHSRlwl/5CAYfK0TXLpFQYg4KCIU=' 
WHERE 
  key_id = '305044fc3244c1c2799ff6b7caa73ab6e322b7e787de933a19c7c738c44109a3' 
  AND (
    token = 'W7VmTMzo8eI2R+IFHSRlwl/5CAYfK0TXLpFQYg4KCIU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )