UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PYqOUqiDhYzdYcqbDyGpFnhl2x6s1UuNcu4FMO8cpFE=' 
WHERE 
  key_id = '597e7558ca4ed2293156dafa26eea82be4d15b62d46566e1daa1687e5d2f5c8a' 
  AND (
    token = 'PYqOUqiDhYzdYcqbDyGpFnhl2x6s1UuNcu4FMO8cpFE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )