UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MByxlUZ8BeVsv9v6n6ZHGt7NL24GdmOziB6njaNzBIQ=' 
WHERE 
  key_id = '6bc52023868908d6c2d90a4990c899c3e14f154b1fcd638218eaebcd607bb43f' 
  AND (
    token = 'MByxlUZ8BeVsv9v6n6ZHGt7NL24GdmOziB6njaNzBIQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )