UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zxaWAB6DNJDu+QdeOSIBfk5adfXXIgLfbaGH7cBGbMs=' 
WHERE 
  key_id = '4db35e75d40b5704f154aff197a5f72d8c85180059c6212f4d425d5ad04da48e' 
  AND (
    token = 'zxaWAB6DNJDu+QdeOSIBfk5adfXXIgLfbaGH7cBGbMs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )