UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i4pm6/JUbDRW0Qzo9Bg0KUu8Bc4gt4LpRAk6r2X3yYk=' 
WHERE 
  key_id = '50ceda01078aa080df679f98d7aeddf03d34eb206f633889765f957b987a98fa' 
  AND (
    token = 'i4pm6/JUbDRW0Qzo9Bg0KUu8Bc4gt4LpRAk6r2X3yYk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )