UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRmPnjExe9gFnc9H/Qqba/k7aBIzdyeKkXHcHCRK/Kg=' 
WHERE 
  key_id = '5dddd7adb87fc5343fea20a4606bdf1e6ad0d4611310380da35edc8f24140009' 
  AND (
    token = 'MRmPnjExe9gFnc9H/Qqba/k7aBIzdyeKkXHcHCRK/Kg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )