UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vr7+/5mM39qpJlgUp5aDfE2dWM43aTVQXn2y1YQrMCg=' 
WHERE 
  key_id = '15204f2a4d2b1abb9945cfed3e2ce35b2eee48bbf6ef8be5969f68d53b4d94ea' 
  AND (
    token = 'vr7+/5mM39qpJlgUp5aDfE2dWM43aTVQXn2y1YQrMCg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )