UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EkuRk7IOGXY650XeBgdZG7sh252KxBh8swWyxQLMIcc=' 
WHERE 
  key_id = 'a4d04887958a0f37f3d317b64c2deaeecbaef29f42900541718e8ce6ad344b49' 
  AND (
    token = 'EkuRk7IOGXY650XeBgdZG7sh252KxBh8swWyxQLMIcc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )