UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xGgwGkYTtNZcqaV04Nt/uLSLW+FTLiWPgbLn54CczBE=' 
WHERE 
  key_id = '50631dd4866378167f03ac0ca601df2e01223d0b3d6ccbefd2986747a9840ed9' 
  AND (
    token = 'xGgwGkYTtNZcqaV04Nt/uLSLW+FTLiWPgbLn54CczBE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )