UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ml8Y+nOTXvUDCtEaBOj1lnM4XQs+4yUruc5CL6fgCl8=' 
WHERE 
  key_id = 'df1e9b0620430eb78364d02131f0865922e5979ac43ac015cd2fa36042008938' 
  AND (
    token = 'Ml8Y+nOTXvUDCtEaBOj1lnM4XQs+4yUruc5CL6fgCl8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )