UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z8GMGdwaspCa+HNAqSlcuc5rASvxQo1E2M/7/iWdnto=' 
WHERE 
  key_id = '56d1e3e0813de5bff774066ebc24ac77d25a94ed367e0b08d64ed5d2e1139728' 
  AND (
    token = 'z8GMGdwaspCa+HNAqSlcuc5rASvxQo1E2M/7/iWdnto=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )