UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'tflult92rkzRC/9rb6ZBegqEmMSb4KDawJswalE18pA=' 
WHERE 
  key_id = 'c47580cf79b3f9fd1930ceaba2b67247e119650876c1a91f9cb3659e0d9b7b58' 
  AND (
    token = 'tflult92rkzRC/9rb6ZBegqEmMSb4KDawJswalE18pA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )