UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51LM4oXEaU/oMf1j3A3MfL8pBAtJnDVZ4Xw5uMHwOCg=' 
WHERE 
  key_id = '4b6d12606b8ede80939dfae35ca518d009b19a5c4ef34541cbcb23b48fe72310' 
  AND (
    token = '51LM4oXEaU/oMf1j3A3MfL8pBAtJnDVZ4Xw5uMHwOCg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )