UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qa4VEP7xnTHSLzw/N0Q3OkJsslTbF8mATdcg0SljT84=' 
WHERE 
  key_id = 'e6889ce203b5ea28e30bb9b83723db9a1c45d947abba82ac1e5f3b9262a48504' 
  AND (
    token = 'Qa4VEP7xnTHSLzw/N0Q3OkJsslTbF8mATdcg0SljT84=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )