UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T4H1b5x5oTq3gwWwjB8LD8pMT24Plyec2AqymOGLSSI=' 
WHERE 
  key_id = '503d76256bab265c126adaa8dedbcfb378b5585fd03c9f3f51c62bce6f018b77' 
  AND (
    token = 'T4H1b5x5oTq3gwWwjB8LD8pMT24Plyec2AqymOGLSSI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )