UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 's8XDjbEt+yKXdKT7Z82b1qM2TkoEEhiDnWn8j1bS4AQ=' 
WHERE 
  key_id = '56bb0b33029b7c710a6469b6b077eba8ccadf64e8010fe78207d109213faa77b' 
  AND (
    token = 's8XDjbEt+yKXdKT7Z82b1qM2TkoEEhiDnWn8j1bS4AQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )