UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mtRqDr0iS1QeowlNyrKRkPoGdXEyIdSlM9lhSacsa6s=' 
WHERE 
  key_id = '51a30f4e1a20cb66276177e4071da820b5b69c94dc4ec14184b109e84187ac33' 
  AND (
    token = 'mtRqDr0iS1QeowlNyrKRkPoGdXEyIdSlM9lhSacsa6s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )