UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pc0KR9N5vEuDIlNHTMEmCw26lSjZ8nBD+0ko3FEbEFI=' 
WHERE 
  key_id = '75a70f3299d7eefe15e507adb12358a251fbca75a31a03faa24545151c4cb614' 
  AND (
    token = 'Pc0KR9N5vEuDIlNHTMEmCw26lSjZ8nBD+0ko3FEbEFI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )