UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'Kf3bxsBFzrEAU26cnQnY4Hqr3t53sRFcZ5Hkk0M6ezA=' 
WHERE 
  key_id = '123f76a2ae5d93b9552266566eca1fa036b484c47124ca4bc518427c6633273b' 
  AND (
    token = 'Kf3bxsBFzrEAU26cnQnY4Hqr3t53sRFcZ5Hkk0M6ezA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )