UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wLduMfBYkbW/ZFpw/1lLiM99Sa9kUy62/EsW/zm9wLo=' 
WHERE 
  key_id = '2dfb2af0e81d01d6b4c0c17379bd283b2b55a054fd87c1af9c81a0ec0c008fd2' 
  AND (
    token = 'wLduMfBYkbW/ZFpw/1lLiM99Sa9kUy62/EsW/zm9wLo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )