UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nTyZtUlXZcMp0vejVI3fCT2zTRodZDDXmlAIv9M3DEY=' 
WHERE 
  key_id = '3e70bd41b07bf74f38de70a79d121ad989002ce9eac5d83a8c3ce3bfca35e692' 
  AND (
    token = 'nTyZtUlXZcMp0vejVI3fCT2zTRodZDDXmlAIv9M3DEY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )