UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51syTUKSgI9SO2cRaPaFGLnBvZq4xOXS29jz74pAbQ8=' 
WHERE 
  key_id = '9874a3fe2d3ea4e80bc1e89e4ebac0b80d0b41aa648ac4ab0710206d4ae069f5' 
  AND (
    token = '51syTUKSgI9SO2cRaPaFGLnBvZq4xOXS29jz74pAbQ8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )