UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g6CxnWdHQ51ifSZ5uKihad0qUeVy2mYKsuolw6yrEQU=' 
WHERE 
  key_id = '83a018eac24ce95a666a7b049826da878f3902330141fe28ef8d19b399f6f4f2' 
  AND (
    token = 'g6CxnWdHQ51ifSZ5uKihad0qUeVy2mYKsuolw6yrEQU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )