UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W0tZgyTZzGlvspHlW/i7JF2WRsMJtitHSEIgWKx8KHw=' 
WHERE 
  key_id = '68a13e1a3c20458fa127e40896d61991d7582cb4711d777498d6fdc6e1958820' 
  AND (
    token = 'W0tZgyTZzGlvspHlW/i7JF2WRsMJtitHSEIgWKx8KHw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )