UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QuxSpBEfzr8N9qecwzprB+r5NPllu40xlZDbi2qKSc4=' 
WHERE 
  key_id = '8a781651438e5e82c8e8e42467789fa41704913ed49249cf61aff3a2c5075218' 
  AND (
    token = 'QuxSpBEfzr8N9qecwzprB+r5NPllu40xlZDbi2qKSc4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )