UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y2zR0pEvGfeF4QAaN0BRWFGsUcGqqy35r0OUXtgIadg=' 
WHERE 
  key_id = '68ada51c760528174b05f76d273b77f754c27a5315f588d20fac40d08a60f06b' 
  AND (
    token = 'y2zR0pEvGfeF4QAaN0BRWFGsUcGqqy35r0OUXtgIadg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )