UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S3S9blv0pTM8q45RVFU1gcSui6LkDjA1gaRedaM+DKQ=' 
WHERE 
  key_id = '2c763ffae756f73c2e37ba7c5b394268470497e82967aa9e0575ce81be612f50' 
  AND (
    token = 'S3S9blv0pTM8q45RVFU1gcSui6LkDjA1gaRedaM+DKQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )