UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HXKjIknMVIF8HdEr3SbUkpe1y5UJB/v7b73LGy8mj3w=' 
WHERE 
  key_id = '7f235955f29ecb92294b613c7a6fff309cc30e717dca1399523231a4e4440203' 
  AND (
    token = 'HXKjIknMVIF8HdEr3SbUkpe1y5UJB/v7b73LGy8mj3w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )