UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HEMIrycASbk132w144A6AHUlYPac0IEBnd68MCe6eTs=' 
WHERE 
  key_id = 'c8726cc0685f038a18ab775530a6e1be361cd05ebe2421130deafca4bff50059' 
  AND (
    token = 'HEMIrycASbk132w144A6AHUlYPac0IEBnd68MCe6eTs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )