UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mMqnh4CkqQoHkes3Za5lXUq5SPuHApQzAg4uMrcngVY=' 
WHERE 
  key_id = 'f4877cf5d56c4e8c22436cc4296acd15773b86b6d9c1ec15a1f324c850d6c7d0' 
  AND (
    token = 'mMqnh4CkqQoHkes3Za5lXUq5SPuHApQzAg4uMrcngVY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )