UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EmCfD4h9aAOOu29s3N05KXi/tDE5elJLTLKcX+aQQYI=' 
WHERE 
  key_id = '4593b15388c5d52435cde068f65877d4da047bad6060afeee28be31bef7f873b' 
  AND (
    token = 'EmCfD4h9aAOOu29s3N05KXi/tDE5elJLTLKcX+aQQYI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )