UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gyhEXi1yXT9rCJG8msIi43JjMhmLbhC3tX6XJsgmyNw=' 
WHERE 
  key_id = '304d48ab31475386b32334f6cc3edbaae49d7146820131d9d88200aad32b94f0' 
  AND (
    token = 'gyhEXi1yXT9rCJG8msIi43JjMhmLbhC3tX6XJsgmyNw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )