UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n3PO2AaJQaNoQIhr3+GajQq++n1b544DlEmDl+kRqUw=' 
WHERE 
  key_id = '7bf81871e949f547e488f682192c845efe57043acc28c3d0c8c81f5193c2bcab' 
  AND (
    token = 'n3PO2AaJQaNoQIhr3+GajQq++n1b544DlEmDl+kRqUw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )