UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ElmdLqOdRbtbDFdCsVygQPfJ4tvHcxRnAbvPqbKAFHo=' 
WHERE 
  key_id = '5528c1c6b610de96ea919c48d3a4434f71226657a35c98c4b7e1d213ecccf137' 
  AND (
    token = 'ElmdLqOdRbtbDFdCsVygQPfJ4tvHcxRnAbvPqbKAFHo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )