UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/CxsAYN59ZSxoPSLaZvL6FojwImEiwzuhhy2T/Sk+S0=' 
WHERE 
  key_id = '6ca5938506ee192892842457c93e56559b8c9259699f4200f38ccaedba2d455c' 
  AND (
    token = '/CxsAYN59ZSxoPSLaZvL6FojwImEiwzuhhy2T/Sk+S0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )