UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AHEtUv7TYjzIx4RYSpE3ytMavM6IBguFMKSY+2+rgbg=' 
WHERE 
  key_id = '0b847a8d09a14faf65f845faa173117e7d2e194d6551b6889cfef2eecc97a3ec' 
  AND (
    token = 'AHEtUv7TYjzIx4RYSpE3ytMavM6IBguFMKSY+2+rgbg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )