UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BElta9d1azFHhDaXXe9vFuDNuEJS8/qIc1y4/oGNpxI=' 
WHERE 
  key_id = '2b83e2c934f418e3bf90cb5ffa10457e4cf98f160e743dba838ff2ec930e0794' 
  AND (
    token = 'BElta9d1azFHhDaXXe9vFuDNuEJS8/qIc1y4/oGNpxI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )