UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i8E4NHBD1E1Wp+uwY4CfEORwxUIdnQsDRqS4c8XCPGY=' 
WHERE 
  key_id = '15e93c9a3a13eca998d673a2eadc8b52d754d2bbaf41a0f792166cd13b8d88d1' 
  AND (
    token = 'i8E4NHBD1E1Wp+uwY4CfEORwxUIdnQsDRqS4c8XCPGY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )