UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pz49O4cpLWbcfgMTLEZFu6lA9sMq7cSRTUSEBP0zKJA=' 
WHERE 
  key_id = '1fc4a50f9dd314a6ea9366637978976715e47885569bd895463778b6ead15556' 
  AND (
    token = 'Pz49O4cpLWbcfgMTLEZFu6lA9sMq7cSRTUSEBP0zKJA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )