UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'h6L3BHoDb19bpwzgOvn9dNbgvem7dA1VEJtshQp/458=' 
WHERE 
  key_id = '92c3c20a86116fab8986bc4d02738792d0ed0be5d659ef4fe7fc3b172b120103' 
  AND (
    token = 'h6L3BHoDb19bpwzgOvn9dNbgvem7dA1VEJtshQp/458=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )