UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'LTNT4PU3mTBl7gWAn6j4+xDkJavJA8UrXgd4jmbB9CM=' 
WHERE 
  key_id = '20711e73632e90dfe5d16f4cfbe34c1dea6630c93228ff66a01323797380d30f' 
  AND (
    token = 'LTNT4PU3mTBl7gWAn6j4+xDkJavJA8UrXgd4jmbB9CM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )