UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '93SMYhxhqKwngUHIN1qsZhSqra+8PuxVrDiH3iB0MXg=' 
WHERE 
  key_id = '68d713df5a4c3aef833104c8b1364790a0eaa15b21a173d07628b7be975707de' 
  AND (
    token = '93SMYhxhqKwngUHIN1qsZhSqra+8PuxVrDiH3iB0MXg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )