UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6/sBvCsgzeqSsAG1cDbYWlGNL6SKuAujGVijBIFrWkI=' 
WHERE 
  key_id = '8c7e10a0ad81fabfd9bd8d83fe61f77e65f7327b9c18828989501c12586f041e' 
  AND (
    token = '6/sBvCsgzeqSsAG1cDbYWlGNL6SKuAujGVijBIFrWkI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )