UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UM6UM1M73Ahk+aH6YZfhlYN/Wez1CvO2YgJqgvL115c=' 
WHERE 
  key_id = '6193a8e4570a4a8da5612ee4efe256cfb3df1ce2e46f2ce7b7178b3250f655ba' 
  AND (
    token = 'UM6UM1M73Ahk+aH6YZfhlYN/Wez1CvO2YgJqgvL115c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )