UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PMHl/j5JIRsRhzMXm9pdruepg2azoekRMXUXltOr75I=' 
WHERE 
  key_id = 'a646291d5c430678244d54011ff2f1383e40d20a47207255d8963eca76a93c13' 
  AND (
    token = 'PMHl/j5JIRsRhzMXm9pdruepg2azoekRMXUXltOr75I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )