UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H/85rDQXWcoorgDNqO0RyyzfhxY16/I1EWeTcfETNxQ=' 
WHERE 
  key_id = 'd50f39038291adb90d32740abaa9f586d1091936991a339593ee46be4cbb4d9c' 
  AND (
    token = 'H/85rDQXWcoorgDNqO0RyyzfhxY16/I1EWeTcfETNxQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )