UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LdwEa9iaK2pSiifcHNhuS3nooammF0+pNT6RJlDB7jc=' 
WHERE 
  key_id = '57d827e883101be4db10ae9229ffe4f3d489e652d29322779b3d894b17c99b04' 
  AND (
    token = 'LdwEa9iaK2pSiifcHNhuS3nooammF0+pNT6RJlDB7jc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )