UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KCR5SClvxO3tqu9ghM19LDl2czhs8K3ZyWpNzRyDe+Y=' 
WHERE 
  key_id = '270159ca4f9f325437b09aac3955118c23379a4dcec2dc38fa4cdb8d815c8fa2' 
  AND (
    token = 'KCR5SClvxO3tqu9ghM19LDl2czhs8K3ZyWpNzRyDe+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )