UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pu4xqEmhOrF70Ki1Oe27dgjqYim7aAT//Ugeg+dyeoI=' 
WHERE 
  key_id = '0c7f68ad3a040c1b960af77760599750a6b0370fe5d588b19d3830e684c1923c' 
  AND (
    token = 'Pu4xqEmhOrF70Ki1Oe27dgjqYim7aAT//Ugeg+dyeoI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )