UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6bU8DdAZWOvWkvKr44GOIRNwp4dzXv6Z6IR0vnez8Us=' 
WHERE 
  key_id = 'd21e98b0571bc246c950323e529a9402884c8668918bf6048fef19caa436ae85' 
  AND (
    token = '6bU8DdAZWOvWkvKr44GOIRNwp4dzXv6Z6IR0vnez8Us=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )