UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PwGcsqArOmxs0hLXjXssf9l2aeOEcoR7djFM467No+w=' 
WHERE 
  key_id = '8a628e657025c69d450501f6621a23f0d862003cbf7933bf637b32cc76c2999e' 
  AND (
    token = 'PwGcsqArOmxs0hLXjXssf9l2aeOEcoR7djFM467No+w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )