UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S9mop1wrPpEin462PK0+vyAMmiZAjXgGbn2CbUFaRmE=' 
WHERE 
  key_id = '4944f7fe8cd0681f7c30d521e7c9f15f78b9c8cb25d0ab6817d4d3ed3f4f0279' 
  AND (
    token = 'S9mop1wrPpEin462PK0+vyAMmiZAjXgGbn2CbUFaRmE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )