UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kZQxoI6soJWSi/t6s3jStnX+8GpBOw3CXBvYB9S+DIM=' 
WHERE 
  key_id = '2c34de7ad64427cf8012519754f37f1d92728aba225e6e83f576d69c39c2c8e7' 
  AND (
    token = 'kZQxoI6soJWSi/t6s3jStnX+8GpBOw3CXBvYB9S+DIM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )