UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ji6jGzXMFWaJXLOLbdvkwW2pHLpJvzepzx136MfPWF0=' 
WHERE 
  key_id = '420ccca8a2f57f4aacd6e245d339830b5682d2228d63df060fa0f9e1df19e9d0' 
  AND (
    token = 'Ji6jGzXMFWaJXLOLbdvkwW2pHLpJvzepzx136MfPWF0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )