UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ru18lnVYeWlsMo8aGD57vDVatQvT9QuFM3UDm6zDhKI=' 
WHERE 
  key_id = 'a94ff4e7055cf0ef37f523c0736f6ed2ebab75819bd545d916730216f543326c' 
  AND (
    token = 'Ru18lnVYeWlsMo8aGD57vDVatQvT9QuFM3UDm6zDhKI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )