UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e2pVQGAH9CdtacVojZWLAj0OrdznMUvVWRXAsXiwGKw=' 
WHERE 
  key_id = '6e273af9487cefd3f98f4b0d0d754c49157dcf7a3f2c04159265b4ceda904870' 
  AND (
    token = 'e2pVQGAH9CdtacVojZWLAj0OrdznMUvVWRXAsXiwGKw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )