UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q5VRwgwmLxlxqHDf3/wFDkLq8jsbNiweCQoYRTfknzE=' 
WHERE 
  key_id = '8b50aff42137a3fa29439e8409b6b0cc335535ddb22774427b25237c1ae2302c' 
  AND (
    token = 'q5VRwgwmLxlxqHDf3/wFDkLq8jsbNiweCQoYRTfknzE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )