UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GaJEm8kzlFwLcmoWBcw8f06pcUQ/XsbXEmkVxJI//Sg=' 
WHERE 
  key_id = '850ff8f73909725f5de4b85f67d96513bf83b2fac7630460f76087164353a62c' 
  AND (
    token = 'GaJEm8kzlFwLcmoWBcw8f06pcUQ/XsbXEmkVxJI//Sg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )